SCHURTER 4430.2173 Circuit Breaker Thermal 8A 240VAC 60VDC Equivalent & Substitute Parts

Part Overview

The SCHURTER 4430.2173 is an active thermal circuit breaker rated for 8A at 240V AC and 60V DC, featuring a rocker panel mount actuator with dual-pole configuration. This component is designed for overcurrent protection in industrial and commercial electrical systems. Equivalent and substitute parts within the SCHURTER TA45 and TA35 series maintain identical electrical and mechanical specifications, enabling direct replacement when inventory constraints or supply chain requirements necessitate alternative part selection.

Key Parameters

Parameter	Specification
Manufacturer	SCHURTER Inc.
Breaker Type	Thermal
Current Rating	8A
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
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the SCHURTER 4430.2173 is determined by strict parametric equivalence across the following criteria:

Mandatory Matching Parameters:

Current Rating: 8A
Voltage Rating - AC: 240V
Voltage Rating - DC: 60V
Breaker Type: Thermal
Mounting Type: Panel Mount
Actuator Type: Rocker
Number of Poles: 2
Product Status: Active
RoHS Compliance: ROHS3 Compliant
REACH Status: REACH Unaffected

All substitute parts listed maintain these exact specifications. Series designation (TA45 or TA35) does not affect electrical or mechanical compatibility. Packaging format (Bulk) is consistent across all equivalent parts.

Parameter Comparison

Part Number	Series	Current Rating	Voltage AC	Voltage DC	Breaker Type	Mounting	Actuator	Poles	Status	RoHS	Inventory (Pcs)
4430.2173	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	964
4430.0423	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	1031
4430.0646	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	995
4430.1631	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	721
4430.2237	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	765
4430.2269	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	785
4430.3661	TA45	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	1018
4435.009	TA35	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	749
4435.0272	TA35	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	1008
4435.0345	TA35	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	875
4435.0356	TA35	8A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	677

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for industrial electrical component procurement. Parts designated with approval agency certifications (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077) provide additional validation for applications requiring third-party certification documentation.

TA45 series parts (4430.0423, 4430.0646, 4430.1631, 4430.2237, 4430.2269, 4430.3661) and TA35 series parts (4435.009, 4435.0272, 4435.0345, 4435.0356) are electrically and mechanically interchangeable with the primary part 4430.2173. Selection between series variants should be based on application-specific mechanical envelope requirements and existing system architecture, as both series maintain identical electrical performance at the specified 8A, 240V AC, 60V DC rating.

Frequently Asked Questions (FAQ)

Q: Can TA35 series parts replace TA45 series parts in the same application?

A: Yes. Both series maintain identical electrical specifications (8A, 240V AC, 60V DC, thermal breaker type, rocker actuator, dual-pole configuration). Series designation reflects mechanical form factor variations. Substitution is valid when mechanical mounting envelope compatibility is confirmed.

Q: What determines if a part is a valid substitute for SCHURTER 4430.2173?

A: Valid substitutes must match all electrical parameters: 8A current rating, 240V AC voltage rating, 60V DC voltage rating, thermal breaker type, rocker actuator, and dual-pole configuration. Mounting type (panel mount) and product status (active) must also align. All listed parts meet these criteria.

Q: Are there differences in approval certifications between substitute parts?

A: Some substitute parts carry additional third-party certifications (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077). These certifications do not affect electrical or mechanical compatibility. Selection should reflect application-specific regulatory requirements.

Q: Does RoHS or REACH compliance status vary among substitutes?

A: All substitute parts maintain ROHS3 compliance and REACH unaffected status consistent with the primary part 4430.2173. No compliance variations exist across the substitute list.

Q: How should inventory levels influence part selection?

A: Inventory quantities are provided for supply chain planning purposes. All parts are active products with current availability. Selection should prioritize application requirements and mechanical compatibility over inventory levels.

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