RLY74/75 Series - NTE Electronics

RLY74/75 Series
Features
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Rated for Locked Rotor Applications
Heavy Duty
Multicontact
.250” (6.35mm) Quick Connect Terminals
Industrial SPDT and DPDT, 20 Amp
Power Relays.
D71
2.070 (52.58)
1.620 (41.15)
1−COM
2−N.C.
3−N.C.
2.420
(61.47)
.380
(9.65)
.161 (4.09)
Dia (1)
Mounting Boss
.166 (4.22)
.614 (15.6) Dia (1)
Mounting Hole
SPDT, 1 Form “C”
1.200
(30.48)
DPDT, 2 Form “C”
1C
1C
1C
2 N.C.
2 N.C.
2 N.C.
3 N.O.
3 N.O.
3 N.O.
.188 (4.78)
.940
(23.88)
.035 (0.89)
Electrical Specifications
Contact
20 Amp @ 277 VAC
60 LRA, 12 FLA @ 125 VAC
48 LRA, 8 FLA @ 240 VAC
Pilot Duty: 360 VAC @ 125/250 VAC
Contact Horsepower Rating: 1 HP @ 125 VAC, 2 HP @ 250 VAC
Material: Silver and silver−cadmium oxide
Rating:
AC OPERATED
Coil
Approx.
Nom.
Power
Max.
Contact
Cur. @
28VDC
277VAC
Diag
No.
Nom.
Volt.
Contact
Arr.
Coil
Res.
Ohms
(Typ)
RLY7423
24VAC
SPDT
35
4 VA
20A
D71
RLY7425
120VAC
SPDT
800
4 VA
20A
D71
RLY7443
24VAC
DPDT
35
4 VA
20A
D71
RLY7445
120VAC
DPDT
800
4 VA
20A
D71
RLY7446
240VAC
DPDT
3200
4 VA
20A
D71
Dielectric Strength
Initial Breakdown Voltage: 1560V RMS, 60Hz
Insulation Resistance: Class B (130°C)
RLY7522
12VDC
SPDT
50
3.0W
20A
D71
RLY7523
24VDC
SPDT
200
3.0W
20A
D71
Environmental Characteristics
RLY7543
24VDC
DPDT
130
4.5W
20A
D71
NTE Type No.
DC OPERATED
Note 1. Relay is designed for operation with plunger either vertical or horizontal; however,
the relay is not designed for operation in an upside−down position.
NTE Electronics, Inc.
Voice (973) 748−5089
Coil Voltages: See Chart
Resistance: See Chart
Operational Characteristics
Must Operate Voltage
AC Coil: 85% of nominal voltage @ +25°C
DC Coil: 75% of nominal voltage @ +25°C
Insulation Characteristics
Operating: −10°C to +65°C
Life
Mechanical: 1 million operations/hour
Electrical: 50,000 operations/hour (under rated load)
FAX (973) 748−6224
http://www.nteinc.com
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