253040 The OptiFuse 253040 is a 40A, 48VDC Type III manual reset circuit breaker. It features a heavy duty, high amp, and waterproof design.
Mfr Part #:

253040

Mfr Name: OptiFuse
OptiFuse
The OptiFuse 253040 is a 40A, 48VDC Type III manual reset circuit breaker. It features a heavy duty, high amp, and waterproof design.
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253040 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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253040 Description

Short technical summary and product information.

The OptiFuse 253040 is a heavy-duty, high-amp, waterproof circuit breaker designed for demanding applications. It operates at a voltage rating of 48VDC and a current rating of 40A.

 

This Type III circuit breaker features a manual reset mechanism and a robust thermoset plastic body with nickel-plated terminals. It is designed for surface mounting and offers an ingress protection rating of IP67, ensuring protection against dust and water immersion.

 

With an operating temperature range of -32°C to 82°C, the 253040 is suitable for various environmental conditions. It also meets ignition protection standards like SAE J1171, making it suitable for use in potentially hazardous environments. The circuit breaker has an interrupting rating of 3000A at 30VDC.

 

Compliance includes SAE J553, ABYC-E11, and UL1077 testing. The terminals are 1/4”-28 studs with specified torque limits for secure installation.

253040 Quick Information

Product Type: Circuit Breaker
Canonical Name: OptiFuse 253040 Heavy Duty High Amp Waterproof Circuit Breaker
Subcategory: Circuit Breaker

253040 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

253040 Features

  • Heavy duty high amp waterproof circuit breaker.
  • 40A current rating at 48VDC.
  • Type III manual reset operation.
  • IP67 ingress protection.
  • Surface mount with 1/4”-28 stud terminals.

253040 Applications

  • Suitable for marine applications.
  • Used in automotive systems.
  • Ideal for industrial equipment.
  • Protects high-current circuits.
  • Designed for harsh environments.

253040 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the OptiFuse 253040 circuit breaker?

The OptiFuse 253040 circuit breaker has a current rating of 40A.

What is the voltage rating for the OptiFuse 253040 circuit breaker?

The voltage rating for the OptiFuse 253040 circuit breaker is 48 VDC.

What type of reset mechanism does the OptiFuse 253040 circuit breaker have?

The OptiFuse 253040 circuit breaker features a Type III manual reset mechanism.

What is the operating temperature range for this circuit breaker?

The operating temperature range for the OptiFuse 253040 circuit breaker is -32°C to 82°C.

What is the ingress protection rating of the OptiFuse 253040?

The OptiFuse 253040 circuit breaker has an ingress protection rating of IP67.

What are the terminal types and torque specifications?

The terminals are 1/4”-28 studs with a maximum studs torque of 10.3 N.m and a maximum mounting torque of 13.6 N.m.

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