Circuit Breaker Thermal 4400.0751 - Equivalent & Substitute Parts

Part Overview

The SCHURTER 4400.0751 is a thermal circuit breaker designed for panel mount applications, rated at 15A with dual voltage capability (240V AC / 48V DC). This component provides overcurrent protection with push-to-reset actuation and is part of the T11 series. The part maintains active product status with full compliance to international safety standards including CSA, EN, GB, IEC, and UL certifications. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and component availability across manufacturing cycles.

Substiute Parts

4400.0751

SCHURTER Inc.In Stock: 8494400.0751 Datasheet

Current PartRFQ

4400.0291

SCHURTER Inc.In Stock: 8764400.0291 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for thermal circuit breakers is determined by exact matching of electrical and mechanical parameters. The SCHURTER 4400.0291 qualifies as a parametric equivalent to the 4400.0751 based on the following critical parameters:

• Current Rating: 15A (identical)
• Voltage Rating - AC: 240V (identical)
• Voltage Rating - DC: 48V (identical)
• Breaker Type: Thermal (identical)
• Actuator Type: Push to Reset (identical)
• Number of Poles: 1 (identical)
• Mounting Type: Panel Mount (identical)
• Series: T11 (identical)

Both parts share identical approval agency certifications and compliance status, confirming functional and regulatory interchangeability within the specified electrical and mechanical constraints.

Parameter Comparison

Engineering Selection Recommendations

Both the 4400.0751 and 4400.0291 are active products from SCHURTER Inc. with identical electrical specifications and regulatory certifications. Selection between these parts may be based on inventory availability and packaging considerations. The 4400.0291 currently maintains higher stock levels (853 pcs vs. 743 pcs), which may influence procurement decisions for high-volume applications. Both parts satisfy the same compliance requirements across CSA, EN, GB, IEC, and UL standards, confirming their interchangeability in applications requiring 15A thermal protection at 240V AC / 48V DC with panel mount configuration.

Frequently Asked Questions (FAQ)

Q: Can the 4400.0291 be used as a direct replacement for the 4400.0751?

A: Yes. Both parts are identical in all critical electrical and mechanical parameters: 15A current rating, 240V AC / 48V DC voltage ratings, thermal breaker type, push-to-reset actuation, single-pole configuration, and panel mount design. Both carry the same regulatory certifications.

Q: Are there any differences in approval certifications between these parts?

A: No. Both parts hold identical certifications: CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077. Regulatory compliance is equivalent.

Q: What is the significance of the T11 series designation?

A: The T11 series is the product line classification for both parts. This designation confirms they belong to the same thermal circuit breaker family with consistent design and performance characteristics.

Q: Does packaging type affect substitution eligibility?

A: Both parts are supplied in bulk packaging. Packaging type does not affect electrical or mechanical compatibility; it only influences handling and storage logistics.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the 4400.0751 and 4400.0291 are ROHS3 compliant and REACH unaffected, meeting environmental and hazardous substance regulations.