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Littelfuse TRB1 Series

3 variants · Littelfuse

About the Littelfuse TRB1 Series

The Littelfuse TRB1 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting of Socket, package of Bulk and supply voltage of 120 VAC. Variants differ by delay time, so you can match the exact delay time your application requires using the selection guide below.

Select a variant by

Delay time
1 Sec to 30 Sec · 7 Sec to 600 Sec

Shared specifications

Mounting
Socket
Package
Bulk
Supply voltage
120 VAC
Timing adjustment method
Hand Dial
Timing initiate method
Input Voltage, Trigger Signal
Type
Mechanical Relay

Variant comparison

ParameterTRB120A2Y30TRB120A3X600
Delay time1 Sec to 30 Sec7 Sec to 600 Sec

Request a quote on any Littelfuse TRB1 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants