Automation Controls Catalog
Compact size,
1 Form A 35A/48A/90A
power relays
for solar inverter
Protective construction：Flux-resistant type
33
38
38
33
35A type
36.3
48A type
HE RELAYS
PV Type
FEATURES
1. High capacity and compact size
3. Contributes to energy saving in
High capacity control possible (35A/
devices thanks to reduced coil hold
48A/90A type)
voltage
36.3
35A/48A type: L: 33 × W: 38 ×
Coil hold voltage can be reduced down
H: 36.3mm L: 1.299 × W: 1.496 ×
40% of the nominal coil voltage
H: 1.429inch
(ambient temperature 20°C 68°F)
38
33
90A type: L: 33 × W: 38 × H: 38.8mm
This is equal to operating power of
L: 1.299 × W: 1.496 × H: 1.528inch
approximately 310mW.
Due to improved conduction efficiency, *Coil hold voltage is the coil voltage after 100ms
38.8
following application of the nominal coil voltage.
wide terminal blades are used (for 48A
4. High insulation and 10,000V surge
and 90A type)
breakdown voltage (between
90A type （Unit：mm）
contacts and coil)
TYPICAL APPLICATIONS
(48A type)
2. Contact GAP
Compliant with European photovoltaic
standard VDE0126
Compliant with EN61810-1 2.5kW
surge breakdown voltage (between
contacts)
35A/48A type: 2.5mm .098inch
90A type: 3.0mm .118inch
2019.03
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• Inverter (Solar and industrial)
• UPS
• Stationary charging stand
© Panasonic Corporation 2019
ASCTB101E 201903
HE PV Type
ORDERING INFORMATION
HE 1a N
DC
Operate voltage
N : 70％ of nominal voltage
Nominal coil voltage（DC）
6, 9, 12, 24V
Contact arrangement
Terminal shape
1a：1 Form A（Single side stable type） P：PC board terminal type/
Blade terminal type
W：Wide blade terminal type
Type, contact material and switching capacity
Y5 ：PV type, AgNi type（1 Form A 48A）
H18：PV type, AgSnO 2 type（1 Form A 35A）
Y6 ：PV type, AgNi type（1 Form A 90A）
TYPES
Type
Nominal coil voltage
6V DC
9V DC
12V DC
24V DC
6V DC
9V DC
12V DC
24V DC
6V DC
9V DC
12V DC
24V DC
35A*
48A
90A
Contact arrangement
Part No.
HE1aN-P-DC6V-H18
HE1aN-P-DC9V-H18
HE1aN-P-DC12V-H18
HE1aN-P-DC24V-H18
HE1aN-P-DC6V-Y5
HE1aN-P-DC9V-Y5
HE1aN-P-DC12V-Y5
HE1aN-P-DC24V-Y5
HE1aN-W-DC6V-Y6
HE1aN-W-DC9V-Y6
HE1aN-W-DC12V-Y6
HE1aN-W-DC24V-Y6
1 Form A
Standard packing: Carton: 25 pcs.; Case: 100 pcs.
*35A 6V,12V and 24V DC type: Certified by UL/C-UL (35A 9V type: Certified by UL/C-UL and VDE)
RATING
1.Coil data
• Operating characteristics such as ‘Operate voltage’ and ‘Release voltage’ are influenced by mounting conditions, ambient temperature, etc.
Therefore, please use the relay within ± 5% of rated coil voltage.
• ‘Initial’ means the condition of products at the time of delivery.
Nominal coil voltage
Pick-up voltage
(at 20°C 68°F)
(Initial)
Drop-out voltage
(at 20°C 68°F)
(Initial)
6V DC
9V DC
12V DC
24V DC
70%V or less of
nominal voltage
10%V or more of
nominal voltage
Nominal operating
current
[±10%] (at 20°C 68°F)
320mA
213mA
160mA
80mA
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Coil resistance
[±10%] (at 20°C 68°F)
Nominal operating
power
Max. applied voltage
(at 20°C 68°F)
18.8Ω
42.2Ω
75.0Ω
300.0Ω
1,920mW
110%V of
nominal voltage
© Panasonic Corporation 2019
ASCTB101E 201903
HE PV Type
2. Specifications
Characteristics
Item
Specifications
48A type
1 Form A
35A type
Arrangement
Contact
Rating
Electrical
characteristics
Contact resistance (Initial)
Contact material
Nominal switching capacity
Contact carring power
Max. switching voltage
Max. switching current
Nominal operating power
Min. switching capacity
(Reference value)* 1
Insulation resistance (Initial)
Between open
Breakdown
contacts
voltage
Between contact
(Initial)
and coil
Surge breakdown voltage* 2
(Between contact and coil)
Temperature rise
Coil hold voltage* 3
Operate time (at 20°C 68°F)
Release time (at 20°C 68°F)* 5
Mechanical
characteristics
Shock
resistance
Vibration
resistance
Functional
Destructive
Functional
Destructive
Mechanical
Expected life
Conditions
Electrical
Resistive load
Conditions for operation,
transport and storage* 4
90A type
Max. 10 mΩ
(By voltage drop 5V DC 20A)
AgNi type
48 A 277V AC (Resistive load)
80A 277V AC (Resistive load)
13,296VA (Resistive load)
24,930VA (Resistive load)
277V AC
48A (AC)
90A (AC)
1,920mW
Max. 100 mΩ (By voltage drop 6V DC 1A)
AgSnO 2 type
35A 277V AC (Resistive load)
9,695VA (Resistive load)
35A (AC)
100mA 5V DC
Min. 1,000MΩ (at 500V DC) Measurement at same location as “Breakdown voltage” section.
2,000 Vrms for 1 min. (Detection current: 10mA)
5,000 Vrms for 1 min. (Detection current: 10mA)
10,000 V (Initial)
Max. 60°C 140°F (By resistive
method, contact carrying current:
35A, 100%V of nominal coil
voltage at 55°C 131°F.)
Max. 60°C 140°F (By resistive
method, contact carrying current:
48A, 100%V of nominal coil
voltage at 55°C 131°F.)
Max. 60°C 140°F (By resistive
method, contact carrying current:
90A, 100%V of nominal coil
voltage at 55°C 131°F.)
Max. 30°C 86°F (By resistive
method, contact carrying current:
35A, 60%V of nominal coil
voltage at 85°C 185°F.)
Max. 30°C 86°F (By resistive
method, contact carrying current:
48A, 60%V of nominal coil
voltage at 85°C 185°F.)
Max. 30°C 86°F (By resistive
method, contact carrying current:
90A, 60%V of nominal coil
voltage at 85°C 185°F.)
40 to 100%V (Contact carrying
current: 35A, at 20°C 68°F),
50 to 100%V (Contact carrying
current: 35A, at 55°C 131°F),
50 to 60%V (Contact carrying
current: 35A, at 85°C 185°F)
40 to 100%V (Contact carrying
current: 48A, at 20°C 68°F),
50 to 100%V (Contact carrying
current: 48A, at 55°C 131°F),
50 to 60%V (Contact carrying
current: 48A, at 85°C 185°F)
40 to 100%V (Contact carrying
current: 90A, at 20°C 68°F),
50 to 60%V (Contact carrying
current: 90A, at 85°C 185°F)
Max. 30 ms (nominal coil voltage, excluding contact bounce time)
Max. 10 ms (nominal coil voltage, excluding contact bounce time) (without diode)
98 m/s 2 (Half-wave pulse of sine wave: 11 ms; detection time: 10 µs.)
980 m/s 2 (Half-wave pulse of sine wave: 6 ms.)
10 to 55 Hz at double amplitude of 1.0 mm (Detection time: 10 µs.)
10 to 55 Hz at double amplitude of 1.5 mm
Min. 1×10 6 (at 180 times/min.)
Min. 10 7 (at 180 times/min.)
Min. 1×10 4 (80A 277V AC)
4
4
Min. 3×10 (35A 277V AC)
Min. 3×10 (48A 277V AC)
(ON : OFF = 1s :3 9s, at 20°C
(ON : OFF = 1s : 9s, at 85°C
(ON : OFF = 1s : 9s, at 85°C
68°F) Min. 1×10 (90A 250V AC)
(ON : OFF = 1s : 9s, at 85°C
185°F)
185°F)
185°F)
Ambient temperature:
–50 to +55°C –58 to +131°F (When nominal coil voltage applied)
–50 to +85°C –58 to +185°F (When applied coil hold voltage is 50% to 60% of nominal coil voltage)
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature);
Air pressure: 86 to 106 kPa
Max. operating speed
Unit weight
6 times/min. (at nominal switching capacity ON : OFF = 1s : 9s)
Approx. 80 g 2.82 oz
Approx. 85 g 3.00 oz
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. Wave is standard shock voltage of ±1.2×50μs according to JEC-212-1981
*3. Coil hold voltage is the coil voltage after 100 ms following application of the nominal coil voltage.
*4. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
*5. Release time will lengthen if a diode, etc., is connected in parallel to the coil. Be sure to verify operation under actual conditions.
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© Panasonic Corporation 2019
ASCTB101E 201903
HE PV Type
REFERENCE DATA
1.-(1) Coil temperature rise (35A type)
Tested sample：HE1aN-P-9V DC-H18, 6 pcs.
Measured portion：Coil inside
Contact carrying current：35A
Ambient temperature：25℃, 60℃, 85℃
1.-(2) Coil temperature rise (48A type)
1.-(3) Coil temperature rise (90A type)
Tested sample：HE1aN-P-9V DC-Y5, 6 pcs.
Measured portion：Coil inside
Contact carrying current：48A
Ambient temperature：25℃, 60℃, 85℃
Tested sample：HE1aN-W-12V DC-Y6, 6 pcs.
Measured portion：Coil inside
Contact carrying current：90A
Ambient temperature：25℃, 60℃, 85℃
25℃
50
60℃
85℃
40
30
60
Temperature rise（℃）
60
Temperature rise（℃）
Temperature rise（℃）
70
70
70
25℃
50
60℃
85℃
40
30
60
30
20
20
10
10
10
0 50
60
0
70
80
90
100
Coil applied voltage（%V）
0 50
60
0
40
70
80
90
100
Coil applied voltage（%V）
60℃
85℃
40
20
0
25℃
50
50
60
70
80
90 100
Coil applied voltage（%V）
110
2.-(1) Electrical life test (35A type) (Resistive load 277V AC, 35A at 85°C 185°F)
Operate and release voltage（V）
9V DC
Contact
welding detection
and Mis-contacting
detection circuit
277V AC
Operate and release voltage
Change of contact resistance
9
100
8
90
7
6
Operate voltage
5
Max.
Ave.
Min.
4
3
Release voltage
2
Max.
Ave.
Min.
1
0
Contact resistance（mΩ）
Tested sample：HE1aN-P-9V DC-H18, 6 pcs.
Operation frequency：6 times/min.
（ON：OFF=1s：9s）
Circuit：
80
70
60
50
40
30
20
Max.
Ave.
Min.
10
0
No. of operations（×104）
0
3
0
No. of operations（×104）
3
2.-(2) Electrical life test (48A type) (Resistive load 277V AC, 48A at 85°C 185°F)
Operate and release voltage（V）
9V DC
Contact
welding detection
and Mis-contacting
detection circuit
277V AC
Operate and release voltage
Change of contact resistance
9
100
8
90
7
6
Operate voltage
5
Max.
Ave.
Min.
4
3
Max.
Ave.
Min.
Release voltage
2
1
0
Contact resistance（mΩ）
Tested sample：HE1aN-P-9V DC-Y5, 6 pcs.
Operation frequency：6 times/min.
（ON：OFF=1s：9s）
Circuit：
80
70
60
50
40
30
20
Max.
Ave.
Min.
10
0
No. of operations（×104）
0
3
0
No. of operations（×104）
3
2.-(3) Electrical life test (90A type) (Resistive load 277V AC, 80A at 25°C 77°F)
Tested sample：HE1aN-W-12V DC-Y6, 6 pcs.
Operation frequency：6 times/min.
（ON：OFF=1s：9s）
Circuit：
10
8
Operate voltage
7
Max.
Ave.
Min.
6
5
4
3
Release voltage
Max.
Ave.
Min.
2
1
0
9
8
7
6
5
4
3
2
Max.
Ave.
Min.
1
0
No. of operations（×104）
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Contact resistance（mΩ）
Operate and release voltage（V）
12V DC
Change of contact resistance
9
Contact
welding detection
and Mis-contacting
detection circuit
277V AC
Operate and release voltage
4
1
0
0
No. of operations（×104）
© Panasonic Corporation 2019
1
ASCTB101E 201903
HE PV Type
DIMENSIONS (mm)
CAD The CAD data of the products with a “CAD” mark can be downloaded from our Website.
Schematic (Bottom view)
External dimensions
CAD
Single side stable type
33
1
4
6
5
PC board pattern (Bottom view)
24
4.7
6ｰ2dia.
hole
4
0.5
36.3
38
8.4
18.6
1. 35A type
1.6
0.8
4.7
1.6
32
0.8
Tolerance ±0.1
General tolerance
Less than 1mm：±0.1
Min. 1mm less than 3mm：±0.2
Min. 3mm：±0.3
2. 48A type
Schematic (Bottom view)
External dimensions
CAD
Single side stable type
33
1
4
6
5
PC board pattern (Bottom view)
24
6.5
8.4
18.6
2ｰ2dia.
hole
4
0.5
36.3
1.3
38
6.3
0.8
1.6
32
0.8
Tolerance ±0.1
General tolerance
Less than 1mm：±0.1
Min. 1mm less than 3mm：±0.2
Min. 3mm：±0.3
3. 90A type
4
6
5
20
12
R0.9
0.8
9.7±0.2
2
3.6
4
3
1
PC board pattern (Bottom view)
13.3
23.5
Single side stable type
33
38.8
38
1.8
Schematic (Bottom view)
External dimensions
CAD
1.2
General tolerance
Less than 1mm：±0.1
Min. 1mm less than 3mm：±0.2
Min. 3mm：±0.3
1.2
R0.6
32
Tolerance ±0.1
SAFETY STANDARDS
Type
90A
48A
35A
Certification authority
File No.
UL/C-UL*
E43028
VDE (VDE0435)
40006681
UL/C-UL
E43028
VDE (VDE0435)
40006681
UL/CSA
E43028
VDE (VDE0435)**
40006681
Contact rating
80A 300V AC (general use 10k cycles)
80A 300V AC (general use at 85°C 185°F, 6k cycles) in use at 60% of rated coil voltage
80A 250V AC cosφ = 1 (at 25°C 77°F, 10k cycles)
90A 250V AC cosφ = 0.8 (at 85°C 185°F, 1k cycles)
80A 250V AC cosφ = 0.8 (at 85°C 185°F, 10k cycles)
90A 300V AC cosφ = 1 (at 85°C 185°F, 1k cycles)
48A 277V AC (general use, at 85°C 185°F, 30k cycles) in use at 60% of rated coil voltage
60A 277V AC (general use, at 60°C 140°F, 10k cycles), in use at 60% of rated coil voltage
48A 250V AC cosφ = 0.8 (at 85°C 185°F, 30k cycles)
72A 250V AC (cosφ = 0.8 at 85°C 185°F, 50 cycles)
60A 250V AC (cosφ = 0.8 at 85°C 185°F, 10k cycles)
50A 20V DC (0ms, at 85°C 185°F, 30k cycles)
35A 277V AC (10k cycles), 30A 277V AC (100k cycles), 30A 30V DC (100k cycles), 1.5HP 125V AC
(100k cycles), 3HP 250V AC (100k cycles), TV-15
35A 250V AC cosφ = 1 (at 80°C 176°F, 50k cycles)
* CSA standard: Certified by C-UL
** Only 9V DC type is Certified by VDE
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© Panasonic Corporation 2019
ASCTB101E 201903
HE PV Type
NOTES
1. For cautions for use, please read
“GENERAL APPLICATION
GUIDELINES”.
2. Usage, transport and storage
conditions
1) Temperature:
–50 to +55°C –58 to +131°F
–50 to +85°C –58 to +185°F (When
applied coil hold voltage is 50% to 60% of
nominal coil voltage)
2) Humidity: 5 to 85% RH
(Avoid freezing and condensation.)
The humidity range varies with the
temperature. Use within the range
indicated in the graph below.
3) Atmospheric pressure: 86 to 106 kPa
Temperature and humidity range for
usage, transport, and storage
Humidity（％RH）
Humidity（％RH）
85
85
Allowable range
Avoid conAvoid icing
densation when
when used at used at temtemperatures peratures
lower than 0℃ higher than 0℃
5
ｰ50
0
55
Ambient temperature（℃）
Allowable range
Avoid conAvoid icing
densation when
when used at used at temtemperatures peratures
lower than 0°C higher than 0°C
5
ｰ50
0
Ambient temperature（℃）
85
* –50 to +85°C –58 to +185°F (When applied
coil hold voltage is 50% to 60% of nominal
coil voltage)
Please refer to "the latest product specifications"
when designing your product.
• Requests to customers :
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© Panasonic Corporation 2019
ASCTB101E 201903
GUIDELINES FOR POWER RELAYS AND HIGH-CAPACITY DC CUT OFF RELAYS USAGE
For cautions for use, please read “GUIDELINES FOR RELAY USAGE”.
https://industrial.panasonic.com/ac/e/control/relay/cautions_use/index.jsp
Precautions for Coil Input
Long term current carrying
Maximum allowable voltage and temperature rise
A circuit that will be carrying a current continuously for long periods
without relay switching operation. (circuits for emergency lamps, alarm
devices and error inspection that, for example, revert only during
malfunction and output warnings with form B contacts) Continuous,
long-term current to the coil will facilitate deterioration of coil insulation
and characteristics due to heating of the coil itself.
For circuits such as these, please use a magnetic-hold type latching
relay. If you need to use a single stable relay, use a sealed type relay
that is not easily affected by ambient conditions and make a failsafe
circuit design that considers the possibility of contact failure or
disconnection.
Proper usage requires that the rated coil voltage be impressed on the
coil. Note, however, that if a voltage greater than or equal to the
maximum continuous voltage is impressed on the coil, the coil may
burn or its layers short due to the temperature rise. Furthermore, do
not exceed the usable ambient temperature range listed in the catalog.
Operate voltage change due to coil temperature rise
(Hot start)
In DC relays, after continuous passage of current in the coil, if the
current is turned OFF, then immediately turned ON again, due to the
temperature rise in the coil, the pick-up voltage will become somewhat
higher. Also, it will be the same as using it in a higher temperature
atmosphere. The resistance/temperature relationship for copper wire
is about 0.4% for 1°C, and with this ratio the coil resistance increases.
That is, in order to operate of the relay, it is necessary that the voltage
be higher than the pick-up voltage and the pick-up voltage rises in
accordance with the increase in the resistance value. However, for
some polarized relays, this rate of change is considerably smaller.
DC Coil operating power
Steady state DC current should be applied to the coil. The wave form
should be rectangular. If it includes ripple, the ripple factor should be
less than 5%.
However, please check with the actual circuit since the electrical
characteristics may vary. The rated coil voltage should be applied to
the coil and the set/reset pulse time of latching type relay differs for
each relays, please refer to the relay's individual specifications.
Coil connection
When connecting coils of polarized relays, please check coil polarity
(+,-) at the internal connection diagram (Schematic). If any wrong
connection is made, it may cause unexpected malfunction, like
abnormal heat, fire and so on, and circuit do not work. Avoid
impressing voltages to the set coil and reset coil at the same time.
Ambient Environment
Dew condensation
Usage, Transport, and Storage Conditions
Condensation occurs when the ambient temperature drops
suddenly from a high temperature and humidity, or the relay is
suddenly transferred from a low ambient temperature to a high
temperature and humidity. Condensation causes the failures like
insulation deterioration, wire disconnection and rust etc.
Panasonic Corporation does not guarantee the failures caused
by condensation.
The heat conduction by the equipment may accelerate the
cooling of device itself, and the condensation may occur.
Please conduct product evaluations in the worst condition of
the actual usage. (Special attention should be paid when high
temperature heating parts are close to the device. Also please
consider the condensation may occur inside of the device.)
During usage, storage, or transportation, avoid locations
subjected to direct sunlight and maintain normal temperature,
humidity and pressure conditions.
Temperature/Humidity/Pressure
When transporting or storing relays while they are tube
packaged, there are cases the temperature may differ from the
allowable range. In this case be sure to check the individual
specifications. Also allowable humidity level is influenced by
temperature, please check charts shown below and use relays
within mentioned conditions. (Allowable temperature values
differ for each relays, please refer to the relay's individual
specifications.)
Icing
Condensation or other moisture may freeze on relays when the
temperature become lower than 0°C.This icing causes the sticking of
movable portion, the operation delay and the contact conduction failure
etc. Panasonic Corporation does not guarantee the failures caused by
the icing.
The heat conduction by the equipment may accelerate the cooling of
relay itself and the icing may occur. Please conduct product
evaluations in the worst condition of the actual usage.
Low temperature and low humidity
The plastic becomes brittle if the switch is exposed to a low
temperature, low humidity environment for long periods of time.
High temperature and high humidity
Storage for extended periods of time (including transportation periods)
at high temperature or high humidity levels or in atmospheres with
organic gases or sulfide gases may cause a sulfide film or oxide film to
form on the surfaces of the contacts and/or it may interfere with the
functions. Check out the atmosphere in which the units are to be
stored and transported.
1) Temperature:
The tolerance temperature range differs for each relays,
please refer to the relay’s individual specifications
2) Humidity:
5 to 85 % RH
3) Pressure:
86 to 106 kPa
Humidity, %R.H.
85
Allowable range
(Avoid icing
when used at
temperatures
lower than 0°
C)
5
–40
(Avoid
condensation
when used at
temperatures
higher than
0°
C)
0
Ambient temperature, °
C
85
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ASCTB412E 201903
GUIDELINES FOR POWER RELAYS AND HIGH-CAPACITY DC CUT OFF RELAYS USAGE
Package
In terms of the packing format used, make every effort to keep the
effects of moisture, organic gases and sulfide gases to the absolute
minimum.
Silicon
When a source of silicone substances (silicone rubber, silicone oil,
silicone coating materials and silicone filling materials etc.) is used
around the relay, the silicone gas (low molecular siloxane etc.) may be
produced.
This silicone gas may penetrate into the inside of the relay. When the
relay is kept and used in this condition, silicone compound may adhere
to the relay contacts which may cause the contact failure. Do not use
any sources of silicone gas around the relay (Including plastic seal
types).
NOx Generation
When relay is used in an atmosphere high in humidity to switch a load
which easily produces an arc, the NOx created by the arc and the
water absorbed from outside the relay combine to produce nitric acid.
This corrodes the internal metal parts and adversely affects operation.
Avoid use at an ambient humidity of 85%RH or higher (at 20°C). If use
at high humidity is unavoidable, please contact our sales
representative.
Others
Cleaning
1) Although the environmentally sealed type relay (plastic sealed type,
etc.) can be cleaned, avoid immersing the relay into cold liquid (such
as cleaning solvent) immediately after soldering. Doing so may
deteriorate the sealing performance.
2) Cleaning with the boiling method is recommended(The temperature
of cleaning liquid should be 40°C or lower ).
Avoid ultrasonic cleaning on relays. Use of ultrasonic cleaning may
cause breaks in the coil or slight sticking of the contacts due to
ultrasonic energy.
Please refer to "the latest product specifications"
when designing your product.
•Requests to customers:
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ASCTB412E 201903
2019
ASCTB101E-1 201903
