SCHURTER 4430.1894 Circuit Breaker Thermal 20A 240VAC 60VDC Equivalent & Substitute Parts

Part Overview

The SCHURTER 4430.1894 is a thermal circuit breaker rated for 20A 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 is ROHS3 compliant. Substitute parts become necessary when the primary part number is unavailable from inventory, when supply chain constraints occur, or when design flexibility allows for alternative part selections within the same electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Manufacturer	SCHURTER Inc.
Series	TA45
Breaker Type	Thermal
Current Rating	20A
Voltage Rating - AC	240V
Voltage Rating - DC	60V
Mounting Type	Panel Mount
Actuator Type	Rocker
Number of Poles	2
Packaging	Bulk
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

All substitute parts listed are parametric equivalents to the main part 4430.1894. Substitution is valid based on identical electrical and mechanical parameters: 20A current rating, 240V AC and 60V DC voltage ratings, thermal breaker type, rocker actuator, dual-pole configuration, and panel mount installation. All substitute parts belong to the SCHURTER TA45 series and maintain the same packaging format (Bulk). Substitution does not require design modification or circuit re-evaluation when these parameters remain constant.

Parameter Comparison

Part Number	Manufacturer	Series	Breaker Type	Current Rating	Voltage AC	Voltage DC	Mounting Type	Actuator Type	Poles	RoHS Status	Inventory (Pcs)
4430.1894	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	1088
4430.0035	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	673
4430.0038	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	688
4430.0572	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	951
4430.0978	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	1070
4430.0988	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	1097
4430.1067	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	922
4430.1068	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	916
4430.161	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	753
4430.1629	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	1098
4430.1789	SCHURTER Inc.	TA45	Thermal	20A	240V	60V	Panel Mount	Rocker	2	ROHS3 Compliant	1031

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original 4430.1894 specification. Parts 4430.1894, 4430.0572, 4430.1067, 4430.1068, and 4430.161 carry full approval agency certifications (CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077), providing enhanced documentation for applications requiring third-party validation. Remaining substitute parts (4430.0035, 4430.0038, 4430.0978, 4430.0988, 4430.1629, 4430.1789) are functionally equivalent but lack explicit certification documentation in the provided data. Selection should prioritize parts with matching certification status when regulatory documentation is required for end-use application.

Frequently Asked Questions (FAQ)

Q: Can any substitute part replace the 4430.1894 without circuit modification? A: Yes. All substitute parts share identical electrical ratings (20A, 240V AC, 60V DC), breaker type (thermal), mounting configuration (panel mount rocker), and pole count (2-pole). Direct substitution is valid at the component level.

Q: What is the difference between these part numbers if all parameters are identical? A: The part numbers represent different manufacturing batches, production dates, or internal SCHURTER inventory tracking codes. Electrical and mechanical performance is equivalent across all listed parts within the TA45 series.

Q: Are there differences in approval certifications between parts? A: Yes. Parts 4430.1894, 4430.0572, 4430.1067, 4430.1068, and 4430.161 include documented approvals from CSA, EN, GB, IEC, and UL standards. Other parts do not list these certifications in available data. For applications requiring specific regulatory compliance documentation, select parts with matching certification records.

Q: Does moisture sensitivity level affect substitution? A: Moisture sensitivity level is either Not Applicable or Vendor Undefined across all parts. This parameter does not restrict substitution eligibility.

Q: Can I mix part numbers in a single assembly? A: Yes. All parts are parametric equivalents within the TA45 series and can be used interchangeably in the same circuit design without performance degradation.

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