Features .250” (6.35mm) Quick Connect Terminals Industry Standard Pinout SPST & SPDT Versions Flange Mount − “F” Suffix PC Board Mount − “P” Suffix New Weatherproof Versions (Shrouded Terminals) − “W” Suffix SPST−NO, 1 Form “A” SPDT, 1 Form “C” R51 Series 50 Amp and 70 Amp, SPST and SPDT Relays for use in Automotive/Marine/ Tractor/Lawn Mower/Rec. Vehicles/ Golf Cart Applications. 86 86 87 30 30 87a 87 85 85 Contact Rating @ 14VDC Maximum Load Current 50 Amp Rated 70 Amp Rated SPST−NO SPDT SPST−NO 50A 50A (NO); 30A (NC) 70A Resistive Load DC OPERATED Nom. Volt. Contact Arr. Coil Res. Ohms (Typ) Nom. Power Max. Contact Cur. @ 14VDC Diag No. R51−1D40−12 12VDC SPST−NO 90 1.6W 50A D38 R51−1D40−12F 12VDC SPST−NO 90 1.6W 50A D38 R51−1D40−12FW 12VDC SPST−NO 90 1.6W 50A D38c R51−1D40−24 24VDC SPST−NO 360 1.6W 50A D38 R51−1D40−24F 24VDC SPST−NO 360 1.6W 50A D38 R51−1D40−24FW 24VDC SPST−NO 360 1.6W 50A D38c R51−5D40−12 12VDC SPDT 90 1.6W 50A D38 R51−5D40−12F 12VDC SPDT 90 1.6W 50A D38 R51−5D40−12FW 12VDC SPDT 90 1.6W 50A D38c R51−5D40−24 24VDC SPDT 360 1.6W 50A D38 R51−5D40−24F 24VDC SPDT 360 1.6W 50A D38 R51−5D40−24FW 24VDC SPDT 360 1.6W 50A D38c R51−1D70−12 12VDC SPST−NO 90 1.6W 70A D38a R51−1D70−12F 12VDC SPST−NO 90 1.6W 70A D38a R51−1D70−12P 12VDC SPST−NO 90 1.6W 70A D38b R51−1D70−24 24VDC SPST−NO 360 1.6W 70A D38a R51−1D70−24F 24VDC SPST−NO 360 1.6W 70A D38a NTE Type No. NEW NEW NEW NEW ACCESSORIES MOUNTING STYLES NTE TYPE NO. PC MOUNT 4−PIN R95−159 (70A ONLY) PC MOUNT 5−PIN R95−160 (50A ONLY) WIRE LEADS 4−PIN R95−189 (50A ONLY) WIRE LEADS 5−PIN R95−188 (50A ONLY) WIRE HARNESSING 4−PIN R95−160A (70A ONLY) WIRE LEADS 4-PIN SPST-NO Weatherproof Socket R95−190 Contact Material: AgSnO alloy Contact Rating: See Chart Coil Coil voltage: See Chart Coil resistances: See Chart Operational Characteristics Timing Values . . . . . Operate Time: 20 mS max Release Time: 20 mS max WIRE LEADS 5-PIN SPDT Weatherproof socket R95−191 Dielectric strength: 500 VRMS, between Contacts and Coil Note 1. To ensure a weatherproof connection, R51 Series weatherproof relays (W−suffix) should be used in combination with the appropriate weatherproof socket. NTE Electronics, Inc. Contact Insulation Characteristics DESCRIPTION 56 Electrical Specifications Environmental Characteristics Operating: −40 C to +125 C Storage: −40 C to +155 C Life Expectancy Mechanical Life: 10,000,000 operations (18,000 operations/hr) Electrical Life: 100,000 operations (1,200 operations/hr) Weight Std: 1.1 oz (31 gram) approx Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com D38 D38a 1.040 (26.5) Max 1.120 (28.5) Max .590 (15.0) .165 (4.2) .165 (4.2) .590 (15.0) .236 (6.0) .236 (6.0) .630 (16.0) 1.040 (26.5) Max .630 (16.0) 1.120 (28.5) Max .992 (25.2) Max .992 (25.2) Max .453 (11.5) Max .709 (18.0) Max .453 (11.5) Max .250 (6.3) .250 (6.3) .250 (6.3) .375 (9.5) .375 (9.5) .705 (17.9) D38b 86 .661 (16.8) 87a 30 .661 (16.8) .331 (8.4) .098 (2.5) 87 85 87 .705 (17.9) 86 85 30 Tin Plated .126 (3.2) PC Mount Leads .315 (8.0) NOTE: Dotted line indicates Flange Mount Pin87a for SPDT devices ONLY. D38c 1.016 (25.8) .653 (16.6) Max .354 (9.0) .886 (22.5) 1.016 (25.8) .768 (19.5) .433 (11.0) .453 (11.5) .571 (14.5) .248 (6.3) 1.417 (36.0) 1.791 (45.5) 1.417 (36.0) .268 (6.8) 1.291 (32.8) .331 (8.4) 86 87a .331 (8.4) 87 30 1.291 (32.8) .661 (16.8) 85 .315 (8.0) .705 (17.9) NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com 57