SCHURTER 4435.024 Circuit Breaker Thermal Equivalent & Substitute Parts

Part Overview

The SCHURTER 4435.024 is a thermal circuit breaker rated for 240 V AC and 60 V DC operation with rocker panel mount actuation and dual-pole configuration. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications. Substitute parts must preserve the thermal protection mechanism, voltage ratings, mounting interface, and regulatory compliance certifications to ensure direct functional replacement in existing applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	4435.024
Manufacturer	SCHURTER Inc.
Series	TA35
Product Status	Obsolete
Breaker Type	Thermal
Voltage Rating - AC	240 V
Voltage Rating - DC	60 V
Mounting Type	Panel Mount
Actuator Type	Rocker
Number of Poles	2
RoHS Status	ROHS3 Compliant
Approval Agencies	CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077

Substitute Part Grouping Explanation

Substitution of the SCHURTER 4435.024 is determined by strict equivalence across the following parameters:

Voltage Rating - AC: 240 V (mandatory match)
Voltage Rating - DC: 60 V (mandatory match)
Breaker Type: Thermal (mandatory match)
Mounting Type: Panel Mount (mandatory match)
Actuator Type: Rocker (mandatory match)
Number of Poles: 2 (mandatory match)
RoHS Status: ROHS3 Compliant (mandatory match)

Substitute parts are classified into two categories:

MFR Recommended: Active production parts explicitly designated as manufacturer-recommended replacements with current inventory availability.

Parametric Equivalent: Active or obsolete parts that match all mandatory electrical and mechanical parameters but may differ in series designation or regulatory compliance scope.

Parameter Comparison

Part Number	Manufacturer	Series	Status	Voltage AC	Voltage DC	Mounting	Actuator	Poles	RoHS	Inventory (Pcs)
4435.024	SCHURTER Inc.	TA35	Obsolete	240 V	60 V	Panel Mount	Rocker	2	ROHS3	1027
4435.031	SCHURTER Inc.	TA35	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	1009
4430.0617	SCHURTER Inc.	TA45	Obsolete	240 V	60 V	Panel Mount	Rocker	2	ROHS3	931
4430.0764	SCHURTER Inc.	TA45	Obsolete	240 V	60 V	Panel Mount	Rocker	2	ROHS3	768
4430.1147	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	1180
4430.1158	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	808
4430.1204	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	888
4430.1962	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	897
4430.2087	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	643
4430.2226	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	892
4430.2487	SCHURTER Inc.	TA45	Active	240 V	60 V	Panel Mount	Rocker	2	ROHS3	1151

Engineering Selection Recommendations

Primary Substitute (MFR Recommended):

Part number 4435.031 is the manufacturer-designated replacement for 4435.024. Both parts share the TA35 series designation and active product status. Part 4435.031 carries full regulatory approval (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077) and maintains 1009 units in current inventory, ensuring supply continuity.

Secondary Substitutes (Parametric Equivalents - TA45 Series):

Parts 4430.1147, 4430.1158, 4430.1204, 4430.1962, 4430.2087, 4430.2226, and 4430.2487 are active production alternatives from the TA45 series. These parts match all mandatory electrical and mechanical parameters (240 V AC, 60 V DC, thermal operation, rocker actuation, dual-pole, panel mount, ROHS3 compliance). Series transition from TA35 to TA45 represents a product line evolution while maintaining functional equivalence. Parts 4430.1147, 4430.1204, and 4430.2226 carry full regulatory certifications. Inventory availability ranges from 643 to 1180 units.

Obsolete Alternatives (Not Recommended for New Designs):

Parts 4430.0617 and 4430.0764 are obsolete TA45 series equivalents. While parametrically equivalent, obsolete status precludes their use in new applications or long-term supply planning.

Frequently Asked Questions (FAQ)

Q: Can 4435.031 directly replace 4435.024 in existing installations?

A: Yes. Part 4435.031 is the manufacturer-recommended substitute with identical electrical ratings (240 V AC, 60 V DC), thermal protection mechanism, rocker actuation, dual-pole configuration, and panel mount interface. Both parts are ROHS3 compliant and carry equivalent regulatory certifications.

Q: What is the difference between TA35 and TA45 series parts?

A: TA35 and TA45 designate different product series within SCHURTER's thermal circuit breaker portfolio. Parts from both series that match the specified parameters (240 V AC, 60 V DC, thermal type, rocker actuator, 2 poles, panel mount) are parametrically equivalent for substitution purposes. Series designation does not affect electrical or mechanical compatibility when parameters are identical.

Q: Are TA45 series parts suitable substitutes for the obsolete 4435.024?

A: Yes, provided the application does not impose series-specific mechanical constraints. All TA45 alternatives listed (4430.1147, 4430.1158, 4430.1204, 4430.1962, 4430.2087, 4430.2226, 4430.2487) match the mandatory parameters. Active status ensures long-term availability. Verify mechanical fit within the panel mount cavity before deployment.

Q: Which substitute offers the best regulatory compliance coverage?

A: Parts 4435.031, 4430.1147, 4430.1204, and 4430.2226 carry full approval under CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077. These parts are suitable for applications requiring comprehensive international regulatory certification.

Q: What inventory considerations apply to substitute selection?

A: The primary substitute 4435.031 maintains 1009 units in stock. Among TA45 alternatives, 4430.2487 offers the highest inventory (1151 units), followed by 4430.1147 (1180 units). For applications requiring immediate availability, these parts provide optimal supply security.

Q: Can obsolete parts 4430.0617 and 4430.0764 be used as substitutes?

A: While parametrically equivalent, obsolete status indicates discontinued production. These parts should not be selected for new designs or applications requiring long-term component availability. Use active alternatives instead.

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