TS-701-HT-10-K Thermal Circuit Breaker Equivalent & Substitute Parts

Part Overview

The TS-701-HT-10-K is a thermal circuit breaker manufactured by SCHURTER Inc., rated for 10A at 250V AC / 50V DC with push-to-reset panel mount actuation. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new design implementations. Thermal circuit breakers in this specification class are used for overcurrent protection in industrial control panels, power distribution systems, and equipment requiring single-pole thermal protection.

Key Parameters

Parameter	Value
Manufacturer Part Number	TS-701-HT-10-K
Manufacturer	SCHURTER Inc.
Series	TS
Breaker Type	Thermal
Current Rating	10A
Voltage Rating - AC	250V
Voltage Rating - DC	50V
Mounting Type	Panel Mount
Actuator Type	Push to Reset
Number of Poles	1
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TS-701-HT-10-K is determined by strict equivalence across the following critical parameters:

Current Rating: 10A (exact match required)
Voltage Rating - AC: 250V (exact match required)
Voltage Rating - DC: 50V (exact match required)
Breaker Type: Thermal (exact match required)
Mounting Type: Panel Mount (exact match required)
Actuator Type: Push to Reset (exact match required)
Number of Poles: 1 (exact match required)

All substitute parts listed below meet these electrical and mechanical specifications. One substitute part (4404.0022) operates at reduced voltage ratings (240V AC / 48V DC) and is classified as a near-equivalent for applications where lower voltage operation is acceptable. All other substitutes maintain identical electrical specifications to the main part.

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating	Voltage AC	Voltage DC	Breaker Type	Mounting	Actuator	Poles	Product Status
TS-701-HT-10-K	SCHURTER Inc.	TS	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Obsolete
4404.0022	SCHURTER Inc.	T9-311	10A	240V	48V	Thermal	Panel Mount	Push to Reset	1	Active
TS-709-10	SCHURTER Inc.	TS	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Obsolete
1140-F111-P1M1-10A	E-T-A	1140	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active
1140-F114-P1M1-10A	E-T-A	1140	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active
1140-G111-P1M1-10A	E-T-A	1140	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active
1140-G151-P7M1-10A	E-T-A	1140	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active
127-F11-P10-H-KF-10A	E-T-A	127	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active
127-P10-H-KF-050022-10A	E-T-A	127	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active
127-P10-H-KF-10A	E-T-A	127	10A	250V	50V	Thermal	Panel Mount	Push to Reset	1	Active

Engineering Selection Recommendations

For direct replacement of the obsolete TS-701-HT-10-K, select from the following active-status alternatives:

E-T-A 1140 Series (1140-F111-P1M1-10A, 1140-F114-P1M1-10A, 1140-G111-P1M1-10A, 1140-G151-P7M1-10A) and E-T-A 127 Series (127-F11-P10-H-KF-10A, 127-P10-H-KF-050022-10A, 127-P10-H-KF-10A) provide full electrical and mechanical equivalence with active product status. All listed E-T-A substitutes carry CSA C22.2 No 235, IEC 60934, and UL1077 certifications, meeting industrial safety standards.

The SCHURTER TS-709-10 provides parametric equivalence but retains obsolete status. The SCHURTER 4404.0022 is active but operates at reduced voltage ratings (240V AC / 48V DC) and is suitable only for applications where lower voltage operation is acceptable.

Frequently Asked Questions (FAQ)

Q: Can the TS-709-10 be used as a substitute for the TS-701-HT-10-K?

A: Yes. The TS-709-10 is a parametric equivalent with identical electrical specifications (10A, 250V AC, 50V DC) and mechanical configuration (thermal, panel mount, push-to-reset, single-pole). Both parts are obsolete; however, the TS-709-10 maintains equivalent functionality for direct replacement applications.

Q: What is the difference between the E-T-A 1140 and 127 series substitutes?

A: Both series meet the electrical and mechanical requirements of the TS-701-HT-10-K. The 1140 series and 127 series differ in internal design and approval agency certifications but deliver equivalent performance at 10A, 250V AC, 50V DC with push-to-reset panel mount actuation. Selection between series depends on design documentation requirements and existing component qualification.

Q: Is the SCHURTER 4404.0022 a suitable replacement?

A: The 4404.0022 is mechanically and functionally equivalent but operates at reduced voltage ratings (240V AC / 48V DC versus 250V AC / 50V DC). Use this part only in applications where the lower voltage specification is acceptable. The 4404.0022 is active status, providing long-term availability advantage.

Q: What certifications apply to the substitute parts?

A: All E-T-A substitutes carry CSA C22.2 No 235, IEC 60934, and UL1077 certifications. The SCHURTER 4404.0022 carries CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077 certifications. All parts are ROHS3 compliant and REACH unaffected.

Q: Are packaging differences significant for substitution?

A: Packaging format (box versus bulk) does not affect electrical or mechanical compatibility. Packaging selection depends on procurement quantity and inventory management requirements. All substitute parts are functionally identical regardless of packaging format.

Q: Can multiple substitute parts be used interchangeably in the same application?

A: Yes. All listed substitutes with identical electrical specifications (10A, 250V AC, 50V DC) are mechanically and electrically interchangeable in panel mount applications. The choice between E-T-A 1140 series, E-T-A 127 series, or SCHURTER alternatives depends on design documentation, certification requirements, and supply chain considerations.

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