SCHURTER 4430.0545 Circuit Breaker Thermal 3A 240VAC 60VDC Equivalent & Substitute Parts

Part Overview

The SCHURTER 4430.0545 is a thermal circuit breaker rated for 3A at 240V AC and 60V DC, featuring a rocker actuator and panel mount configuration in the TA45 series. This component is active in production and ROHS3 compliant. Substitute parts are identified based on identical electrical ratings, mechanical mounting specifications, and functional equivalence within the thermal breaker product family.

Key Parameters

Parameter	Specification
Manufacturer	SCHURTER Inc.
Breaker Type	Thermal
Current Rating	3A
Voltage Rating - AC	240V
Voltage Rating - DC	60V
Mounting Type	Panel Mount
Actuator Type	Rocker
Number of Poles	2
Product Status	Active
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 4430.0545 are qualified based on the following criteria:

Electrical Parameters (Must Match):

Current Rating: 3A
Voltage Rating AC: 240V
Voltage Rating DC: 60V

Mechanical Parameters (Must Match):

Mounting Type: Panel Mount
Actuator Type: Rocker
Number of Poles: 2
Breaker Type: Thermal

Compliance Parameters:

RoHS3 Compliant
Active Product Status

All substitute parts listed maintain identical electrical and mechanical specifications, ensuring direct functional equivalence. Series designation (TA45 or TA35) does not restrict substitution when all electrical and mechanical parameters are matched.

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating	Voltage AC	Voltage DC	Mounting Type	Actuator	Poles	Breaker Type	RoHS Status	Inventory (Pcs)
4430.0545	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	767
4430.0683	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	718
4430.1486	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	916
4430.2103	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	942
4430.2599	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	900
4430.3091	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	995
4430.3377	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	1135
4430.3416	SCHURTER Inc.	TA45	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	1151
4435.0022	SCHURTER Inc.	TA35	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	1677
4435.0127	SCHURTER Inc.	TA35	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	736
4435.0216	SCHURTER Inc.	TA35	3A	240V	60V	Panel Mount	Rocker	2	Thermal	ROHS3	1047

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct replacement of the 4430.0545. Selection among equivalents should be based on:

Availability: Parts 4430.3416 (1151 pcs), 4430.3377 (1135 pcs), and 4435.0022 (1677 pcs) offer the highest inventory levels.

Compliance Certifications: Parts 4430.0683, 4430.1486, and 4435.0022 carry documented approval agency certifications (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077), providing additional regulatory documentation when required.

Series Compatibility: TA45 series parts (4430.xxxx) and TA35 series parts (4435.xxxx) are functionally equivalent when electrical and mechanical parameters match. Series designation reflects internal design variants that do not affect external performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can I substitute a TA35 series part for a TA45 series part?

A: Yes. When electrical ratings (3A, 240V AC, 60V DC) and mechanical specifications (panel mount, rocker actuator, 2-pole thermal breaker) are identical, TA35 and TA45 series parts are functionally equivalent. Series designation indicates internal design generation but does not restrict substitution.

Q: What parameters must match for a part to be a valid substitute?

A: Current rating (3A), voltage ratings (240V AC / 60V DC), mounting type (panel mount), actuator type (rocker), number of poles (2), and breaker type (thermal) must all match exactly. All listed parts meet these criteria.

Q: Are there differences in approval certifications among the substitute parts?

A: Some parts carry documented approval agency certifications (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077) while others do not list these in the provided data. If specific regulatory certifications are required for your application, select parts with documented compliance.

Q: Does inventory level affect technical compatibility?

A: No. Inventory levels reflect current stock availability only and do not impact electrical or mechanical compatibility. All parts with matching specifications are technically equivalent regardless of quantity on hand.

Q: Can I use these parts interchangeably in the same circuit?

A: Yes, provided the circuit design accommodates panel mount, rocker-actuated thermal breakers rated for 3A at 240V AC and 60V DC. All listed substitutes maintain identical functional characteristics for this application class.

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