NTE Electronics R51 Series Catalog Page

Features

Maximum

• .250” (6.35mm) Quick Connect Terminals

• Industry Standard Pinout

• SPST & SPDT Versions

• Flange Mount − “F” Suffix

• PC Board Mount − “P” Suffix

R51 Series

50 Amp and 70 Amp, SPST and SPDT
Relays for use in Automotive/Marine/
Tractor/Lawn Mower/Rec. Vehicles/
Golf Cart Applications.

SPST−NO, 1 Form “A” SPDT, 1 Form “C”

Coil

Res.

Ohms

(Typ)

86

30

85

Max.

Contact

Nom.

Power

Cur. @

14VDC

TYPE NO.

86

30

85

87

Contact Rating @ 14VDC

Maximum

Load Current

Resistive Load 50A 50A (NO); 30A (NC) 70A

50 Amp Rated 70 Amp Rated

SPST−NO SPDT SPST−NO

DC OPERATED

NTE Type No.

R51−1D40−12 12VDC SPST−NO 90 1.6W 50A D38

R51−1D40−12F 12VDC SPST−NO 90 1.6W 50A D38

R51−1D40−24 24VDC SPST−NO 360 1.6W 50A D38

NEW

R51−1D40−24F 24VDC SPST−NO 360 1.6W 50A D38

NEW

R51−5D40−12 12VDC SPDT 90 1.6W 50A D38

R51−5D40−12F 12VDC SPDT 90 1.6W 50A D38

R51−5D40−24 24VDC SPDT 360 1.6W 50A D38

NEW

R51−5D40−24F 24VDC SPDT 360 1.6W 50A D38

NEW

R51−1D70−12 12VDC SPST−NO 72 1.6W 70A D38a

R51−1D70−12F 12VDC SPST−NO 72 1.6W 70A D38a

R51−1D70−12P 12VDC SPST−NO 72 1.6W 70A D38b

R51−1D70−24 24VDC SPST−NO 360 1.6W 70A D38a

NEW

R51−1D70−24F 24VDC SPST−NO 360 1.6W 70A D38a

NEW

Nom.

Volt.

Contact

Arr.

ACCESSORIES

MOUNTING

STYLES

PC MOUNT 5−PIN R95−160 (50 Amp ONLY)

WIRE LEADS 5−PIN R95−188 (50 Amp ONLY)

WIRE HARNESSING 4−PIN R95−160A (70 Amp ONLY)

DESCRIPTION

NTE

D38

.590

(15.0)

NOTE: Dotted line indicates Flange Mount

Pin87a for SPDT devices ONLY.

D38a

.590

(15.0)

8787a

D38b

Diag

No.

Electrical Specifications

1.120 (28.5)
Max

.250 (6.3) .250 (6.3)

1.040 (26.5)
Max

.250 (6.3) .375 (9.5)

.375 (9.5)

Tin Plated

PC Mount Leads

.453 (11.5)

Max

.236 (6.0)

.630 (16.0)

.992 (25.2) Max

.453 (11.5) Max

.705 (17.9)

.236 (6.0)

.630 (16.0)

.992 (25.2) Max

.709 (18.0) Max

.661 (16.8)

.331 (8.4)
.059
(1.5)

.150 (3.8)

.705

(17.9)

.661

(16.8)

.315 (8.0)

30

86 85

.165 (4.2)

1.120
(28.5)

Max

86

87a

85

.165 (4.2)

1.040
(26.5)

Max

87

87

30

Contact

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

Insulatation Characteristics

Dielectric strength: 500 VRMS, between Contacts and Coil

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

54

NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com