Mfr Part #:

BT1-B2-14-640-521-MT

The Littelfuse Inc. BT1-B2-14-640-521-MT is a panel mount circuit breaker. It features a 40A current rating and a 277V voltage rating.

Stock on Request

$ Price Range: $0.99

BT1-B2-14-640-521-MT Description

Short technical summary and product information.

This Littelfuse Inc. BT1-B2-14-640-521-MT is a single-pole circuit breaker designed for panel mounting. It offers a robust 40A current rating and a 277V voltage rating, suitable for various electrical protection applications.

The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection. It features a simple lever actuator for manual operation and has no illumination.

Compliance includes RoHS3, REACH Unaffected, and MSL 1. Approval agencies are CCC and UL489A, indicating adherence to safety standards.

BT1-B2-14-640-521-MT Quick Information

Product Type: Circuit Breaker

Canonical Name: Littelfuse Inc. BT1-B2-14-640-521-MT Circuit Breaker

BT1-B2-14-640-521-MT Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BT1-B2-14-640-521-MT Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

BT1-B2-14-640-521-MT Features

40A current rating for robust protection.
277V voltage rating for diverse applications.
Panel mount design with lever actuator.
Magnetic breaker with hydraulic delay.
RoHS3 compliant for environmental considerations.

BT1-B2-14-640-521-MT Applications

Suitable for circuit protection in electrical systems.
Used in panel-mounted electrical distribution panels.
Ideal for industrial and commercial electrical installations.
Provides overcurrent protection with magnetic hydraulic delay.

BT1-B2-14-640-521-MT FAQs

6 frequently asked questions generated from this part’s specifications.

What is the current rating of the BT1-B2-14-640-521-MT circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How is the BT1-B2-14-640-521-MT circuit breaker mounted?

It is designed for panel mounting.

What type of breaker mechanism does the BT1-B2-14-640-521-MT use?

It is a magnetic breaker with a hydraulic delay.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What agencies have approved this circuit breaker?

Approval agencies include CCC and UL489A.

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