TS-701-HT-8K Thermal Circuit Breaker Equivalent & Substitute Parts

Part Overview

The TS-701-HT-8K is a thermal circuit breaker manufactured by SCHURTER Inc., rated for 8A at 250V AC / 50V DC with push-to-reset panel mount actuation. This part is classified as obsolete, making equivalent substitutes necessary for ongoing system maintenance and new designs. The breaker features single-pole thermal protection suitable for industrial and commercial applications requiring reliable overcurrent protection.

Key Parameters

Parameter	Value
Current Rating	8A
Voltage Rating (AC)	250V
Voltage Rating (DC)	50V
Breaker Type	Thermal
Actuator Type	Push to Reset
Mounting Type	Panel Mount
Number of Poles	1
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TS-701-HT-8K is determined by strict equivalence across the following parameters:

Current Rating: 8A (exact match required)
Voltage Rating AC: 250V (exact match required)
Voltage Rating DC: 50V (exact match required)
Breaker Type: Thermal (exact match required)
Actuator Type: Push to Reset (exact match required)
Mounting Type: Panel Mount (exact match required)
Number of Poles: 1 (exact match required)

All substitute parts listed below meet these electrical and mechanical specifications. The TS-701-HT-8K has one similar part with slightly reduced voltage ratings and eight parametric equivalents with identical electrical specifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current (A)	Voltage AC	Voltage DC	Breaker Type	Actuator	Mounting	Poles	Product Status	Inventory
TS-701-HT-8K	SCHURTER Inc.	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Obsolete	1055 Pcs
4404.0021	SCHURTER Inc.	8	240V	48V	Thermal	Push to Reset	Panel Mount	1	Active	921 Pcs
1140-G111-P1M1-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	797 Pcs
1140-G151-P7M1-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	732 Pcs
127-P10-H-KF-050022-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	1022 Pcs
127-P10-H-KF-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	1054 Pcs
1410-G110-P2F1-S01-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	883 Pcs
1410-G111-P2F1-S01-385803-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	690 Pcs
1410-G111-P2F1-S01-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	686 Pcs
2-5000-P10-H-8A	E-T-A	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	1012 Pcs
CTB-B-B-08	Carling Technologies	8	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	1105 Pcs

Engineering Selection Recommendations

Parametric Equivalents (Identical Electrical Specifications):

The following parts are direct parametric equivalents with 250V AC / 50V DC ratings matching the TS-701-HT-8K:

1140-G111-P1M1-8A (E-T-A, Series 1140)
1140-G151-P7M1-8A (E-T-A, Series 1140)
127-P10-H-KF-050022-8A (E-T-A, Series 127)
127-P10-H-KF-8A (E-T-A, Series 127)
1410-G110-P2F1-S01-8A (E-T-A, Series 1410-G1)
1410-G111-P2F1-S01-385803-8A (E-T-A, Series 1410-G1)
1410-G111-P2F1-S01-8A (E-T-A, Series 1410-G1)
2-5000-P10-H-8A (E-T-A, Series 2-5000)
CTB-B-B-08 (Carling Technologies, Series CTB)

All parametric equivalents are active products with ROHS3 compliance and carry international certifications including CSA C22.2 No 235, IEC 60934, and UL1077. These parts are suitable for direct replacement in applications requiring identical electrical performance.

Similar Part (Reduced Voltage Ratings):

4404.0021 (SCHURTER Inc., Series T9-311): Rated 240V AC / 48V DC. This part is suitable only for applications where the reduced voltage ratings are acceptable. It is an active product with ROHS3 compliance and equivalent certifications.

Frequently Asked Questions (FAQ)

Q: Can I use 4404.0021 as a direct replacement for TS-701-HT-8K?

A: No. The 4404.0021 has reduced voltage ratings (240V AC / 48V DC) compared to the TS-701-HT-8K (250V AC / 50V DC). Use this part only if your application operates within the lower voltage specifications.

Q: Which substitute parts are fully equivalent to TS-701-HT-8K?

A: Nine parts meet all electrical and mechanical specifications: 1140-G111-P1M1-8A, 1140-G151-P7M1-8A, 127-P10-H-KF-050022-8A, 127-P10-H-KF-8A, 1410-G110-P2F1-S01-8A, 1410-G111-P2F1-S01-385803-8A, 1410-G111-P2F1-S01-8A, 2-5000-P10-H-8A, and CTB-B-B-08.

Q: What certifications do the substitute parts carry?

A: All parametric equivalents carry CSA C22.2 No 235, IEC 60934, and UL1077 certifications. The E-T-A 127 series and 2-5000 series additionally include GB 17701 certification. Carling Technologies CTB-B-B-08 carries CE, cUL, UL1077, and VDE certifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts, including 4404.0021, are ROHS3 compliant.

Q: What is the difference between the E-T-A 1410-G1 series variants?

A: The 1410-G110-P2F1-S01-8A, 1410-G111-P2F1-S01-8A, and 1410-G111-P2F1-S01-385803-8A are all parametrically equivalent. The suffix differences indicate internal design variations. All three meet the same electrical specifications and are suitable for replacement applications.

Q: Does packaging type affect substitution eligibility?

A: No. The TS-701-HT-8K is supplied in bulk packaging, while 4404.0021 is supplied in box packaging. Packaging does not affect electrical or mechanical compatibility. Select based on your procurement and inventory requirements.

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