Catalog 1308242
Issued 3-03 (PDF Rev. 1-07)
P&B
PRD series
10 to 50 Amp Heavy Duty
AC or DC Power Relay
File E22575 (Models With All Screw Terminals)
File E22575 (All Others)
File 15734
Users should thoroughly review the technical data before selecting a product
part number. It is recommended that users also seek out the pertinent approvals
files of the agencies/laboratories and review them to ensure the product meets
the requirements for a given application.
Features
UL Contact Ratings
Models with Box Lugs as Main Terminals
Contact Data @ 25°C
s.
Note: Any PRD relay deviating electrically or physically from the standard models in the table is
not UL or CSA listed. All horsepower ratings are for single phase motors.
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DC Factory Contact Ratings
Models with Box Lugs as Main Terminals
Type
PRD-3AR4
PRD-3DR4
ne
Arrangements: Available to 2 Form C (DPDT). See ordering information.
Ratings: See UL contact rating tables.
Minimum Rating: 1A @ 12 VAC/VDC.
Material: Silver and silver-cadmium oxide standard. Other materials
available for special applications.
Expected Life: 100,000 operations at rated loads @25°C. Specific
exceptions are noted in ratings tables. Life increases at
reduced loads or with appropriate arc suppression.
Contact Code
Contact Ratings
P
50 amps at 277VAC, Gen. Purp.
30 amps at 277VAC, Ballast (6,000 Ops.)
15 amps at 277VAC, Tungsten (6,000 Ops.)
102LRA, 17FLA at 240VAC (30,000 Ops.)
120LRA, 20FLA at 120VAC (30,000 Ops.)
1.5 HP at 120VAC (30,000 Ops.)
3 HP at 240VAC (30,000 Ops.)
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Type
PRD-3AP4
PRD-3DP4
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• Contact ratings to 50 amps.
• Magnetic blowouts available for switching DC loads.
• Arrangements to DPDT.
• SPDT auxiliary switch available.
• Replaces PR series.
Contact Code
Contact Ratings
R
60 amps at 28VDC Res.
30 amps at 125VDC
PRD-1, 3 or 5
PRD-7 or 11
G
F
25 amps @ 277VAC
1 HP at 120VAC
2 HP at 250VAC
10 amps at 600VAC
7 amps at 50VDC Res.
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PRD-1, 3 or 5
Y
30 amps at 277VAC Res.
1.5 HP at 120VAC
2HP at 250VAC
10 amp at 600VAC
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PRD-1, 3 or 5
Contact Ratings
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Contact Code
50 amps at 240VAC Gen. Purp. (20,000 Ops.)
30 amps at 277VAC Res.
1.5 HP at 120VAC
2HP at 250VAC
10 amp at 600VAC
on
Type
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Auxiliary Snap-Action Switch
UL/CSA Contact Ratings
Models with Screws or Quick Connects as Main Terminals
Y
25 amps at 240VAC
20 amps at 277VAC
1 HP at 120VAC
2 HP at 250VAC
7 amps at 50VDC Res.
10 amps at 600VAC
PRD-7 or 11
G
30 amps at 240VAC
20 amps at 277VAC
1.5 HP at 120VAC
2 HP at 250VAC
10 amps at 600VAC
PRD-7 or 11
F
50 amps at 240VAC Gen. Purp. (20,000 Ops.)
30 amps at 240VAC
20 amps at 277VAC
1.5 HP at 120VAC
2 HP at 250VAC
10 amps at 600VAC
PRD-3, 7 or 11
PRD-1, 5, 7 or 11
H or J
20 amp at 125VDC
1/3 HP at 125VDC
N
25 amp at 250VAC
1 HP at 125VAC
2 HP at 250VAC
Note: Any PRD relay deviating electrically or physically from the standard models in the table is
not UL or CSA listed. All horsepower ratings are for single phase motors.
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Arrangements: 1 Form C (SPDT).
Rating: 5 amps at 120VAC, 60 Hz. @ 25°C.
Material: Silver.
Initial Dielectric Strength
Initial Breakdown Voltage: 2,000V rms minimum between all elements
and ground. (2,200V rms on 600V ratings.)
Coil Data @ 25°C
Voltage: From 6 to 220VDC, and 6 to 480VAC.
Resistance: See coil data table.
Nom. Power: DC coils: 2.0 watts @ 25°C.; AC coils: 9.8VA @ 25°C.
Max Power: DC coils: 8.0 watts @ 25°C.
Duty Cycle: Continuous.
Initial Insulation Resistance: 100 megohms, minimum.
Coil Data
Nominal
Volts
6
12
24
48
110
220
DC Coils
AC Coils (50-60Hz.)
Resistance Nominal DC Nominal
DC Resis.
Nominal AC
In Ohms
Current In
Volts
In Ohms
Current In
±10%@ 25°C Milliamps
±15%@ 25°C
Milliamps
18
333
71
169
288
84
1150
41.7
6050
18.2
Use 110V relay with approx.
6,000 ohm 5W wire-wound
resistor in series.
6
12
24
120
240
480
.86
3.2
12.0
290
1200
4500
1600
820
410
85
43
22
Operate Data @ +25°C
Must-Operate Voltage: DC: 75% of nominal; AC: 85% of nominal.
Environmental Data
Temperature Range:
AC: -55°C to +45°C.; DC: -55°C to +80°C.
Mechanical Data
Mounting: Two .187”(4.75mm) Dia. holes on 1.875” (47.63mm) centers.
Termination: See ordering information tables for various options.
Enclosure: Metal dust cover, 35D013, available. Order separately.
Weight: 10 oz. (284g) approximately.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
811
Catalog 1308242
Issued 3-03 (PDF Rev. 1-07)
P&B
Ordering Information for Models with Screws or Quick Connects for Main Terminals
Typical Part No.
B
PRD
-7
A
Y
0
-120
1. Type:
PRD = Open relay.
PRDA = Open relay with aux. SPDT snap-action switch.
2. Main Contact Arrangement:
1 = SPST-NO
7 = DPST-NO
3 = SPST-NO-DM
7V = DPST-NO with 3mm contact gap
5 = SPDT
11=DPDT
3. Coil Input:
A = 50/60 Hz.
D = DC
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4. Main Contact Material:
Y = .312” (7.92mm) dia. silver. [25A max. rating]
G = .312” (7.92mm) dia. silver cad.-oxide. [30A max. rating]
F = .312” (7.92mm) dia. silver cad.-oxide. [50A max. rating]
†H = Silver w/magnetic blow out. [20A DC max. rating]
†J = Silver cad.-oxide w/magnetic blow out. [20A DC max. rating]
N = Tungsten stationary & silver cad.-oxide movable. [25A max. rating] Code 1, 5, 7 & 11 only.
†Available with Code 3, 7& 11 contact arrangement only.
PRD
1
.250” (6.35mm) QC
.250” (6.35mm) QC
3
#8-32 Screw Term.
.250” (6.35mm) QC
PRDA (With Aux. SPDT Snap-Action Switch)
A
B
L
#8-32 Screw Term.
.250” (6.35mm) QC Twin .250” (6.35mm) QC
#6-32 Screw Term.
.250” (6.35mm) QC
.250” (6.35mm) QC
Screw Term.
.250” (6.35mm) QC
.250” (6.35mm) QC
s.
0
#8-32 Screw Term.
6-32 Screw Term.
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CODE
MAIN
COIL
AUX. SWITCH
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5.Termination:
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6. Coil Voltage:
6, 12, 24, 48, 110VDC
6, 12, 24, 120, 240, 480VAC, 50/60 Hz. Coil voltages are available to 125VDC and 600VAC.
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Note: All part numbers are RoHS compliant.
Stock Items – The following items are normally maintained in stock for immediate delivery.
PRD-11DJ0-24
PRD-11DY0-12
PRD-11DY0-24
PRD-11DY0-110
PRDA-11AGA-120
PRDA-11AYA-120
PRD-11AY0-240
PRD-11AY0-480
PRD-11DF0-12
PRD-11DF0-110
RD-11DG0-12
PRD-11DG0-24
PRD-11DH0-12
PRD-11DH0-24
PRD-11DH0-110
PRD-7DY0-12
PRD-7DY0-24
PRD-11AF0-240
PRD-11AG0-24
PRD-11AG0-120
PRD-11AG0-240
PRD-11AH0-120
PRD-11AY0-24
PRD-11AY0-120
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e
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PRD-5AY0-240
PRD-5DY0-12
PRD-5DY0-24
PRD-7AG0-120
PRD-7AY0-24
PRD-7AY0-120
PRD-7AY0-240
PRD-7AY3-120
PRD-7DG0-24
PRD-3AG0-120
PRD-3AJ3-24
PRD-3AY0-120
PRD-3DY0-12
PRD-3DY0-24
PRD-5DF0-12
PRD-5AY0-24
PRD-5AY0-120
PRD-5AY1-120
Ordering Information for 50A Models with Box Lugs for Main Terminals
on
Typical Part No.
B
PRD
-3
A
P
4
-120
1. Type:
PRD = Open power relay.
2. Main Contact Arrangement:
3 = 1 Form X (SPST-NO-DM)
3. Coil Input:
A = AC, 50/60 Hz.
D = DC
4. Main Contact Material:
P = 50 amp, silver.
R = 50 amp, silver with magnetic blow out.
5. Termination:
4 = Main — boxlug terminals which accept #6-#14 wire.
Coil — #6-32 screw terminals.
6. Coil Voltage:
12, 24, 48, 110, 125VDC
24, 120, 240, 277, 480VAC, 50/60 Hz.
Note: All part numbers are RoHS compliant.
Stock Items - The following items are normally maintained in stock for immediate delivery.
No models in the PRD-3AP / PRD-3DP series are maintained in stock.
Dimensions are shown for
812 reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Catalog 1308242
Issued 3-03 (PDF Rev. 1-07)
P&B
Outline Dimensions
PRD/PRDA Small Base - Top View
2.5 MAX.
(63.3)
.81
(20.6)
2
.31
(7.9)
3.375 MAX.
(85.73)
4
1.687
(42.85)
2 MTG. HOLES
DIA.
.187 + .005
– .003
4.75 + .13
– .08
.31
(7.9)
(
6
6
2
8
2.51 MAX.
(63.75)
COIL
3
2
.31
(7.9)
2.51 MAX.
(63.8)
1.875
2.50 1.875
(47.63)
(63.5) (47.63)
7
COIL
1.875
(47.63)
3
5
1
1
2 MTG. HOLES
DIA.
.187 + .005
– .003
4.75 + .13
– .08
DIMENSIONS APPLY TO
PRD 11 AND PRDA 11
DIMENSIONS APPLY TO
PRD 1, 3, 5, & 7
2 MTG. HOLES
DIA.
.187 + .005
– .003
4.75 + .13
– .08
(
(
6
COIL
5
1
)
BOX LUG
CONNECTOR
5
.81
(20.6)
.59 MAX.
(15.0)
2.5 MAX.
(64)
)
)
2.28 MAX.
(57.9)
2.50 MAX. On PRD7
(63.5)
2.50 MAX.
(63.5)
.375
(9.53)
2.23
3.375 (56.6)
(85.73)
2.5 MAX.
(63.5) W/O AUX SWITCH
2.28 MAX.
(57.9)
s.
3.00
.375
4.250 MAX.(76.2)
(9.53)
(107.95)
3.375 MAX. W/O AUX SWITCH
(85.73)
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4
.875 MAX.
(22.23)
50 Amp PRD
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.875 MAX.
(22.23)
PRD/PRDA Large Base - Top View
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35D013 Dust Cover
Mounting:
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Three No. 10 holes on
1.875” (47.63mm) x
4.125” (104.77mm)
centers.
on
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e
Dust Cover Open
ne
5.31 MAX.
(134.9)
4.125
(104.77)
2.06
.687
(52.3)
(17.45)
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.50
(12.7)
1.875
(47.63)
m
PRD dust cover has a
steel base with knockouts
for 0.5” (12.7mm) dia.
conduit and a cover fitted
with two screws. Fits PRD
relays, except with auxi-
liary contacts. Finished in
gray baked enamel.
.375
(9.53)
.937
(23.86)
.093
(2.36)
1.50
(38.1) .75
(19.1)
1.625
(41.28)
3.38 MAX.
(85.9)
.812
(20.62)
2.56
(65.0)
5.125
(130.18)
.218 DIA.
(5.54)
3 MTG. HOLES
3.13 MAX.
(79.5)
.97
(24.64)
4 HOLES
TAPPED
#8-32
4 .88 DIA.KNOCKOUT HOLES
(22.4)
2 KNOCKOUT HOLES EACH END
Note: Additional unused holes may be present in dust cover base.
PRD Magnetic Blow-Out Drawings
PRD3 with Magnetic Blow-Out
PRD7 with Magnetic Blow-Out
PRD11 with Magnetic Blow-Out
THIS SIDE OF MAGNET
ATTRACTS NORTH SEEKING
POLE OF COMPASS.
THIS SIDE OF MAGNET
ATTRACTS NORTH SEEKING
POLE OF COMPASS.
THIS SIDE OF MAGNET
ATTRACTS NORTH SEEKING
POLE OF COMPASS.
POLARITY
MARKING
Dimensions are shown for
reference purposes only.
-
+
-
POLARITY
MARKING
POLARITY
MARKING
Dimensions are in inches over
(millimeters) unless otherwise
specified.
-
+
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
813
