© 2016 Littelfuse Protection Relays & Controls

Protection Relays

Single Function Relays and Controls

www.littelfuse.com/

Rev: 1-A-062716

www.littelfuse.com/slr

SLR SERIES

Specifications

Output (Contact)

Type

Non-isolated solid state

Form

SPST, NO or NC

Voltage

24, 120, or 230VAC

Tolerance

±20%

Ratings

Steady State

Inrush*

Output Device

1A

10A

SCR & Bridge

Rectifier

6 A

60A

Triac

10A

100A

Triac

20A

200A

Triac

Minimum Load Current

≅ 50mA

Voltage Drop

(at Rated Current)

≅ 2.0V - 6, 10, & 20A units; ≅ 2.5V - 1A units

Leakage Current (Open State) ≤ 5mA

Initiate Switch Voltage

Same as the output voltage

Power Consumption

≤ 0.5W

Protection

Circuitry

Encapsulated

Dielectric Breakdown

≥ 2000V RMS terminals to mounting surface

Insulation Resistance

≥ 100MΩ

Mechanical

Mounting*

Surface mount with one #10 (M5 x 0.8) screw

Dimensions

H 50.8 mm (2.0”); W 50.8 mm (2.0”);

D 38.4 mm (1.51”)

Termination

0.25 in. (6.35 mm) male quick connect

terminals

Environmental

Operating/Storage

Temperature

-20° to 60°C / -40° to 85°C

Humidity

95% relative, non-condensing

Weight

1A units: ≅ 2.4 oz (68 g);

6, 10, 20A units: ≅ 3.9 oz (111 g)

*Must be bolted to a metal surface using the included heat sink compound. The maximum

mounting surface temperature is 90°C. Inrush: Non-repetitive for 16ms.

Function Diagram

V = Voltage

S1 = Initiate Switch

NO = Normally

Open Contact

NC = Normally

Closed Contact

R = Reset

= Undefined

Time