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Littelfuse.com

© 2022 Littelfuse, Inc.

081122-A

Description

Designed for the electric control systems of

communication power supplies, uninterruptible power

supplies (UPS), engineering machines, and more, the

DCNLB Series 48V High-Current DC Contactor Relay is

a normally closed relay that is available in single-coil and

double-coil configurations. The high-current contactor relay

is also available with coil voltage ratings of 24V, 48V, and

60V to suit various applications.

Web Resources

Download 2D print, installation guide and technical

resources at: littelfuse.com/DCNLB

Applications

• Communication Power Supplies

• UPS

Features and Benefits

• Up to 200A continuous current rating for high-current

contact switching

• Able to make and break up to 1600A

• Main contacts are rated for 48V (typical) and 60V (max)

• Coil voltage options include 24V, 48V, and 60V

• Normally close, monostable relay design

• Available in single-coil and double-coil configurations

• Non-polarized contacts

DCNLB SERIES

60V DC MAX CONTACTOR RELAY

Specifications

Max Voltage Rating (V DC):

60

Current Rating Continuous (A):  100, 200

Coil Voltage Rating (V DC): 

24, 48, 60

Ingress Protection: 

IP 40

Operating Temperature (°C): 

-40 to +85

Electrical Diagram

K2

K1

2

1

K

1

2

Dual Coil

Single Coil