SCHURTER 4435.0055 Thermal Circuit Breaker 16A 240VAC 60VDC Equivalent & Substitute Parts

Part Overview

The SCHURTER 4435.0055 is a thermal circuit breaker rated for 16A at 240V AC and 60V DC, featuring a rocker panel mount actuator with dual-pole configuration. This component is classified as Active product status and complies with international safety standards including CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077. The TA35 series design provides reliable overcurrent protection in industrial and commercial applications. Equivalent substitute parts from the TA45 series maintain identical electrical and mechanical specifications, enabling direct replacement when the primary part is unavailable or when design standardization across production batches is required.

Key Parameters

Parameter	Specification
Manufacturer Part Number	4435.0055
Manufacturer	SCHURTER Inc.
Series	TA35
Breaker Type	Thermal
Current Rating	16A
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
Approval Agencies	CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077

Substitute Part Grouping Explanation

Substitution eligibility for the SCHURTER 4435.0055 is determined by strict parametric equivalence across the following critical specifications:

Mandatory Matching Parameters:

Current Rating: 16A
Voltage Rating - AC: 240V
Voltage Rating - DC: 60V
Breaker Type: Thermal
Mounting Type: Panel Mount
Actuator Type: Rocker
Number of Poles: 2
Approval Agencies: CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077
RoHS Status: ROHS3 Compliant

All substitute parts listed below meet these exact specifications. The primary difference between the main part (TA35 series) and substitute parts (TA45 series) is the series designation, which reflects manufacturing evolution while maintaining full electrical and mechanical compatibility. Series transition from TA35 to TA45 represents a design update with no functional impact on circuit protection performance or panel mounting interface.

Parameter Comparison

Part Number	Series	Current Rating	Voltage AC	Voltage DC	Breaker Type	Mounting	Actuator	Poles	Product Status	RoHS	Inventory (Pcs)
4435.0055	TA35	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	709
4430.0034	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	882
4430.0699	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	969
4430.071	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	917
4430.0904	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	922
4430.1296	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	1130
4430.1563	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	848
4430.1729	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	1052
4430.2105	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	771
4430.2145	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	676
4430.2374	TA45	16A	240V	60V	Thermal	Panel Mount	Rocker	2	Active	ROHS3	982

Engineering Selection Recommendations

All listed substitute parts maintain Active product status, ensuring continued manufacturer support and availability. Each substitute part carries identical regulatory approvals: CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077. ROHS3 compliance is consistent across all parts, confirming hazardous substance restrictions are met for current and future regulatory requirements.

Selection among substitute parts should prioritize inventory availability and supply chain lead times. Parts 4430.1296 (1130 pcs), 4430.0699 (969 pcs), and 4430.2374 (982 pcs) offer higher stock levels. For applications requiring specific manufacturing dates or traceability documentation, individual part numbers should be cross-referenced with supplier batch records.

Frequently Asked Questions (FAQ)

Q: Can SCHURTER 4435.0055 be directly replaced with any TA45 series part listed?

A: Yes. All TA45 series parts listed (4430.0034, 4430.0699, 4430.071, 4430.0904, 4430.1296, 4430.1563, 4430.1729, 4430.2105, 4430.2145, 4430.2374) are parametric equivalents with identical electrical ratings (16A, 240VAC, 60VDC), thermal protection characteristics, panel mount interface, rocker actuator configuration, and dual-pole design. No circuit modifications or mechanical adaptations are required.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts carry ROHS3 Compliant status, matching the original 4435.0055 specification. This ensures compliance with current and anticipated hazardous substance restrictions in manufacturing and end-of-life disposal.

Q: Do substitute parts carry the same regulatory approvals?

A: All substitute parts are certified to CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077. These certifications confirm compliance with North American, European, and international safety standards for thermal circuit breakers.

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

A: The series designation reflects manufacturing generation. TA35 (original part 4435.0055) and TA45 (substitute parts) represent design evolution by SCHURTER Inc. Both series maintain identical electrical performance, mechanical dimensions for panel mounting, and functional characteristics. The transition represents standardization across production facilities with no impact on circuit protection or compatibility.

Q: Which substitute part should be selected for new designs?

A: For new designs, any TA45 series part is appropriate. TA45 represents the current manufacturing standard. Selection should be based on inventory availability and supply chain optimization. Parts with higher stock levels (4430.1296, 4430.0699, 4430.2374) offer reduced procurement risk.

Q: Are there any mechanical dimension differences between substitute parts?

A: No. All substitute parts share identical panel mount interface dimensions and rocker actuator geometry, enabling direct mechanical interchangeability without enclosure modifications or bracket adjustments.

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