https://www.phoenixcontact.com/us/products/2940401
Relay Module - EMG 17-REL/KSR- 48/21-21-LC - 2940401
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Relay module, with soldered-in miniature switching relay, contact (AgNi): Medium to large loads, 2 PDT, input
voltage 48 V AC/DC
The illustration shows version EMG
17-REL/KSR- 24/21-21-LC AU, with
soldered-in miniature switching relay
Product Features
■
■
Safe isolation according to DIN EN 50178 between coil and contact
Integrated input circuit and interference suppression circuit
Key Commercial Data
Packing unit
1 pc
GTIN
Weight per Piece (excluding packing)
57.28 g
Custom tariff number
85364190
Country of origin
Germany
Technical data
Note
Utilization restriction
EMC: class A product, see manufacturer's declaration in the download
area
Dimensions
Width
17.5 mm
Height
75 mm
Depth
62.5 mm
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https://www.phoenixcontact.com/us/products/2940401
Relay Module - EMG 17-REL/KSR- 48/21-21-LC - 2940401
Technical data
Ambient conditions
Ambient temperature (operation)
-20 °C ... 40 °C
Ambient temperature (storage/transport)
-20 °C ... 70 °C
Coil side
Nominal input voltage UN
48 V AC/DC
Input voltage range in reference to UN
0.8 ... 1.1
Typical input current at UN
10 mA
Typical response time
8 ms
Typical release time
10 ms
Protective circuit
Bridge rectifier Bridge rectifier
Operating voltage display
Yellow LED
Power dissipation for nominal condition
0.48 W
Contact side
Contact type
Single contact, 2-PDT
Contact material
AgNi
Maximum switching voltage
250 V AC/DC
Maximum inrush current
6A
Limiting continuous current
5A
Interrupting rating (ohmic load) max.
120 W (at 24 V DC)
95 W (at 48 V DC)
60 W (at 60 V DC)
40 W (at 110 V DC)
55 W (at 220 V DC)
1250 VA (for 250 V AC)
General
Test voltage relay winding/relay contact
4 kV AC (50 Hz, 1 min.)
Test voltage relay contact/relay contact
1 kV AC (50 Hz, 1 min.)
Operating mode
100% operating factor
Mechanical service life
Approx. 5 x 10 cycles
Standards/regulations
IEC 60664
7
EN 50178
IEC 62103
Rated surge voltage/insulation
4 kV / Basic isolation, (safe isolation, reinforced insulation and 6 kV
between input circuit and output contact current paths.)
Degree of pollution
2
Overvoltage category
III
Mounting position
any
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https://www.phoenixcontact.com/us/products/2940401
Relay Module - EMG 17-REL/KSR- 48/21-21-LC - 2940401
Technical data
General
Assembly instructions
In rows with zero spacing
Connection data input side
Connection name
Coil side
Connection method
Screw connection
Stripping length
8 mm
Screw thread
M3
Conductor cross section solid
0.2 mm² ... 4 mm²
Conductor cross section flexible
0.2 mm² ... 2.5 mm²
Conductor cross section AWG
24 ... 12
Connection data output side
Connection name
Contact side
Connection method
Screw connection
Stripping length
8 mm
Screw thread
M3
Conductor cross section solid
0.2 mm² ... 4 mm²
Conductor cross section flexible
0.2 mm² ... 2.5 mm²
Conductor cross section AWG
24 ... 12
Standards and Regulations
Connection in acc. with standard
CUL
Standards/regulations
IEC 60664
EN 50178
IEC 62103
Rated surge voltage/insulation
4 kV / Basic isolation, (safe isolation, reinforced insulation and 6 kV
between input circuit and output contact current paths.)
Degree of pollution
2
Overvoltage category
III
Classifications
eCl@ss
eCl@ss 4.0
27371102
eCl@ss 4.1
27371102
eCl@ss 5.0
27371001
eCl@ss 5.1
27371001
eCl@ss 6.0
27371001
eCl@ss 7.0
27371001
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https://www.phoenixcontact.com/us/products/2940401
Relay Module - EMG 17-REL/KSR- 48/21-21-LC - 2940401
Classifications
eCl@ss
eCl@ss 8.0
27371601
eCl@ss 9.0
27371601
ETIM
ETIM 2.0
EC000196
ETIM 3.0
EC000196
ETIM 4.0
EC000196
ETIM 5.0
EC001437
UNSPSC
UNSPSC 6.01
30211916
UNSPSC 7.0901
39121515
UNSPSC 11
39121515
UNSPSC 12.01
39121515
UNSPSC 13.2
39121515
Approvals
Approvals
Approvals
UL Recognized / cUL Recognized / EAC / cULus Recognized
Ex Approvals
Approvals submitted
Approval details
UL Recognized
cUL Recognized
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https://www.phoenixcontact.com/us/products/2940401
Relay Module - EMG 17-REL/KSR- 48/21-21-LC - 2940401
Approvals
EAC
cULus Recognized
Drawings
Circuit diagram
12
14
22
24
A1
A2
A2
11
21
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