RLY74/75 Series Features • • • • 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 83