Circuit Breaker Thermal 12A 240VAC 60VDC SCHURTER TA45 4430.0557

Part Overview

The SCHURTER 4430.0557 is an active thermal circuit breaker designed for panel mount applications. This two-pole rocker-actuated breaker provides overcurrent protection at 12A with dual voltage ratings of 240V AC and 60V DC. The device features orange illumination at 220V nominal and meets multiple international safety standards including UL1077, IEC 60934, EN 60934, CSA C22.2 No 235, and GB 17701. With 996 units currently in stock, this component is readily available for immediate deployment in industrial control and power distribution applications.

Substiute Parts

4430.0557

SCHURTER Inc.In Stock: 10174430.0557 Datasheet

Current PartRFQ

4430.1826

SCHURTER Inc.In Stock: 8424430.1826 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The SCHURTER 4430.1826 qualifies as a parametric equivalent to the 4430.0557 based on identical electrical and mechanical specifications. Substitution eligibility is determined by the following critical parameters:

• Current Rating: 12A (identical)
• Voltage Rating - AC: 240V (identical)
• Voltage Rating - DC: 60V (identical)
• Breaker Type: Thermal (identical)
• Mounting Type: Panel Mount (identical)
• Actuator Type: Rocker (identical)
• Number of Poles: 2 (identical)
• Illumination: Orange at 220V nominal (identical)
• Series: TA45 (identical)
• Approval Agencies: All certifications match (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077)
• RoHS and REACH Compliance: Identical status

Both parts maintain identical functional and electrical characteristics, making them interchangeable in applications requiring these specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the 4430.0557 and 4430.1826 are active products from SCHURTER Inc. within the TA45 series. Selection between these parts should be based on inventory availability and procurement lead times. The 4430.0557 maintains higher stock levels at 996 units, while the 4430.1826 has 760 units available. Both parts carry identical regulatory approvals including UL1077, IEC 60934, EN 60934, CSA C22.2 No 235, and GB 17701 certifications, ensuring compliance in regulated applications. Both are ROHS3 compliant and REACH unaffected, meeting environmental and safety requirements for industrial deployment.

Frequently Asked Questions (FAQ)

Q: Can the 4430.1826 be used as a direct replacement for the 4430.0557?

A: Yes. Both parts are parametric equivalents with identical electrical ratings (12A, 240V AC, 60V DC), mechanical configuration (2-pole rocker panel mount), and regulatory certifications. They are functionally interchangeable.

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

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

Q: What is the significance of the illumination specification?

A: Both parts feature orange illumination at 220V nominal voltage. This specification is identical across both models and affects only the visual indicator function, not the breaker's protective operation.

Q: How do the inventory levels affect selection?

A: The 4430.0557 has 996 units in stock compared to 760 units for the 4430.1826. For applications requiring immediate availability or large-volume orders, the 4430.0557 may offer better procurement flexibility.

Q: Are both parts suitable for the same voltage environments?

A: Yes. Both parts are rated for 240V AC and 60V DC operation. They are suitable for identical voltage environments and applications.

Q: What is the packaging configuration for both parts?

A: Both parts are supplied in bulk packaging, consistent with industrial component distribution standards.