Littelfuse-RA-700112-NN

Relays & Solenoids  

Plug-In Relays  

Heavy Duty High Power and Micro Plug-In Relays  

General purpose relays fit many vehicles and applications.

T

y

pical applications include: lighting, starting,  

horn, heating and cooling.  

Standard ISO terminal footprint for Form A, Form C and Form 2A. Relays are available sealed and unsealed  

(unsealed 40 & 70A relays are supplied with snap-in brackets.)  

Datasheet, wiring diagram, and additional information:

littelfuse.com/Plugin-Relays  

Part Numbering System  

R A – 40 01 12 – R S  

Specifications  

• Pull-in

 

voltage:

7

.

8V maximum at 12V DC, 15.6 V at 24V DC  

• Release

 

voltage:

1

.

2 V minimum at 12V DC, 2.4 V at 24V DC  

•

T

e

mperature

 

range: -40°C to 85°C  

Relay Type  

R = Relay  

M = MicroRelay  

Sealing  

S = Sealed  

N = No Sealing  

• Operational

 

life: Electrical to 100,000 cycles.  

Mechanical to 10,000,000 cycles  

• Contact

 

Material: Silver alloy  

• Dielectric

 

strength: 500 V rms between coil and contact  

• Insulation

 

resistance: 100 MΩ minimum (500V DC)  

• Relays

 

are rated based on a steady state resistive load. De-rate  

according to the type of load.  

Form  

Suppressor  

R = Resistor  

D = Diode  

A = Form A  

C = Form C  

2 = Form 2A  

N = No Suppressor  

5

Amperage  

Voltage  

12 = 12V DC  

24 = 24V DC  

15 = 15A at 24V DC  

20 = 20A at 24V DC  

25 = 25A at 12V DC  

35 = 35A at 24V DC  

40 = 40A at 12V DC  

70 = 70A at 12V DC  

Motor load: Inrush can be 5 to 10 x steady state current.  

Solenoid load: Inrush can be 10 to 20 x steady state current.  

Incandescent lamp load: Inrush can be 10 to 15 x steady  

state current.  

Bracket  

00 = No Bracket  

01 = Snap-In Bracket  

• Available

 

with PCB terminals, contact Littelfuse for details.  

Relay Part Numbers  

PART NUMBERS  

Heavy Duty Relays • 40A at 12V DC  

RELAY  

TYPE  

SUPPRESSOR  

FORM  

TYPE  

BULK  

BOXED  

• Contact

 

rating (Resistive load) at 20°C:  

12V DC: Normally Open 40A, Normally Closed 30A  

24V DC: Normally Open 20A, Normally Closed 15A  

• Contact

 

arrangement: Available as Form A (SPST), Form C  

(SPDT) and Form 2A (SPS

T

, 2

t

erminals)  

R2-400112-RN  

RA-200024-DS  

RA-400012-DS  

RA-400112-DN  

RA-400112-NN  

RA-400112-RN  

RA-700112-RN  

RA-700112-DN  

RA-700112-NN  

RC-200024-DS  

RC-200124-DN  

RC-200124-NN  

RC-200124-RN  

RC-400012-DS  

RC-400112-DN  

RC-400112-NN  

RC-400112-RN  

RC-700112-DN  

RC-700112-NN  

RC-700112-RN  

MC-250012-DN  

MC-250012-NN  

MC-250012-RN  

–

–

–

12 40

 

Relay  

24 20

 

Relay  

12 40

 

Relay  

2

A

A

A

A

A

A

A

A

C

C

C

C

C

C

C

C

C

C

C

C

C

C

SPST  

SPST  

SPST  

SPST  

SPST  

SPST  

SPST  

SPST  

SPST  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

SPDT  

•

Resistor  

Diode  

•

•

Diode  

RA-400112-DN-BX

12 40

 

Relay  

RA-400112-NN-BX

12 40

 

Relay  

RA-400112-RN-BX

12 40

 

Relay  

RA-700112-RN-BX

12 70

 

Relay  

RA-700112-DN-BX

12 70

 

Relay  

RA-700112-NN-BX

12 70

 

Relay  

•

•

•

•

•

•

Diode  

• Vibration

 

resistance: 10-40Hz double amplitude

1

.

5mm  

None  

High Power Relays • 70A at 12V DC  

Resistor  

Resistor  

Diode  

• Contact

 

rating (Resistive load) at 20°C:  

12V DC: Normally Open 70A, Normally Closed 60A  

24V DC: Normally Open 35A, Normally Closed 30A  

• Contact

 

arrangement: Available as Form A (SPST) and  

Form C (SPDT)  

None  

–

24 20

 

Relay  

Diode  

•

•

• Vibration

 

resistance: 10-40Hz double amplitude

1

.

5m  

RC-200124-DN-BX

24 20

 

Relay  

RC-200124-NN-BX

24 20

 

Relay  

RC-200124-RN-BX

24 20

 

Relay  

RC-400012-DS-BX

12 40

 

Relay  

RC-400112-DN-BX

12 40

 

Relay  

RC-400112-NN-BX

12 40

 

Relay  

RC-400112-RN-BX

12 40

 

Relay  

RC-700112-DN-BX

12 70

 

Relay  

RC-700112-NN-BX

12 70

 

Relay  

RC-700112-RN-BX

12 70

 

Relay  

•

•

•

Diode  

Micro Relays • 25A at 12V DC  

None  

Resistor  

Diode  

• Contact

 

rating (Resistive load) at 20°C:  

12V DC: Normally Open 25A, Normally Closed 20A  

Contact arrangement: Available as Form A (SPST), and  

Form C (SPDT).  

•

•

•

•

•

•

Diode  

None  

• Vibration

 

resistance: 10-40Hz double amplitude

1

.

27mm  

Resistor  

Diode  

None  

Resistor  

Diode  

–

–

–

12 25

 

Micro  

12 25

 

Micro  

12 25

 

Micro  

None  

Resistor  

59  

Littelfuse Aftermarket Products Catalog