TS-701-HT-3 Thermal Circuit Breaker Equivalent & Substitute Parts

Part Overview

The TS-701-HT-3 is a thermal circuit breaker manufactured by SCHURTER Inc., rated for 3A at 250V AC and 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 TS-701-HT-3 remains available with 926 units in stock, but alternative active-status components provide long-term supply continuity and design flexibility.

Key Parameters

Parameter	Value
Current Rating	3A
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-3 is determined by strict equivalence across the following parameters: current rating (3A), voltage ratings (250V AC and 50V DC), breaker type (thermal), actuator type (push to reset), mounting configuration (panel mount), and single-pole design. Parts meeting all these criteria are classified as parametric equivalents. Parts with identical current and mounting specifications but different voltage ratings are classified as similar alternatives and require application-level verification.

The substitute parts are grouped as follows:

Parametric Equivalents (Full Specification Match):

1140-G151-P7M1-3A (E-T-A)
127-P10-H-KF-050022-3A (E-T-A)
127-P10-H-KF-3A (E-T-A)
2-5000-P10-H-3A (E-T-A)
2-5700-IG1-K10-3A (E-T-A)
CTB-B-B-03 (Carling Technologies)

Similar Alternatives (Voltage Variance):

4404.0049 (SCHURTER Inc.) – 240V AC, 48V DC
CLB-033-11ANN-R-A (Carling Technologies) – 250V AC, 32V DC

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Breaker Type	Actuator Type	Mounting Type	Number of Poles	Product Status	RoHS Status
TS-701-HT-3	SCHURTER Inc.	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Obsolete	ROHS3 Compliant
1140-G151-P7M1-3A	E-T-A	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
127-P10-H-KF-050022-3A	E-T-A	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
127-P10-H-KF-3A	E-T-A	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
2-5000-P10-H-3A	E-T-A	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
2-5700-IG1-K10-3A	E-T-A	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
CTB-B-B-03	Carling Technologies	3A	250V	50V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
4404.0049	SCHURTER Inc.	3A	240V	48V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant
CLB-033-11ANN-R-A	Carling Technologies	3A	250V	32V	Thermal	Push to Reset	Panel Mount	1	Active	ROHS3 Compliant

Engineering Selection Recommendations

For direct replacement of the obsolete TS-701-HT-3, select from the parametric equivalent group: 1140-G151-P7M1-3A, 127-P10-H-KF-050022-3A, 127-P10-H-KF-3A, 2-5000-P10-H-3A, 2-5700-IG1-K10-3A, or CTB-B-B-03. All six alternatives maintain identical electrical specifications (3A, 250V AC, 50V DC) and mechanical configuration (panel mount, push to reset, single pole). All are active-status products with ROHS3 compliance and full regulatory approval under UL1077 and related standards.

E-T-A series parts (1140-G151-P7M1-3A, 127-P10-H-KF-050022-3A, 127-P10-H-KF-3A, 2-5000-P10-H-3A, 2-5700-IG1-K10-3A) provide the highest inventory availability, ranging from 678 to 1154 units. Carling Technologies CTB-B-B-03 offers the largest stock position at 1856 units and includes MSL rating of 1 (Unlimited).

Similar alternatives 4404.0049 and CLB-033-11ANN-R-A are suitable only for applications where the reduced DC voltage ratings (48V and 32V respectively) are acceptable. These parts maintain the 3A AC current rating and panel mount configuration but operate at lower DC voltage thresholds.

Frequently Asked Questions (FAQ)

Q: Can the TS-701-HT-3 be directly replaced with any of the listed substitutes?

A: Yes, the six parametric equivalent parts (1140-G151-P7M1-3A, 127-P10-H-KF-050022-3A, 127-P10-H-KF-3A, 2-5000-P10-H-3A, 2-5700-IG1-K10-3A, and CTB-B-B-03) provide direct replacement with identical electrical and mechanical specifications. The similar alternatives (4404.0049 and CLB-033-11ANN-R-A) require application-level assessment due to voltage rating differences.

Q: What is the difference between parametric equivalents and similar alternatives?

A: Parametric equivalents match all key specifications: 3A current, 250V AC, 50V DC, thermal operation, push-to-reset actuation, and panel mount configuration. Similar alternatives maintain the 3A current and panel mount design but operate at reduced DC voltage ratings (48V or 32V), making them suitable only for applications with lower DC voltage requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant. The main part TS-701-HT-3 is also ROHS3 compliant.

Q: Which substitute offers the best inventory availability?

A: Carling Technologies CTB-B-B-03 provides the highest stock level at 1856 units. E-T-A series parts range from 678 to 1154 units. SCHURTER Inc. 4404.0049 offers 1278 units.

Q: Do all substitutes carry the same regulatory approvals as the TS-701-HT-3?

A: The TS-701-HT-3 carries CSA C22.2 and UL1077 approvals. Parametric equivalents from E-T-A carry CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077 approvals. Carling Technologies parts carry CE, cUL, UL1077, and additional certifications. All parts meet or exceed the original approval standards.

Q: What packaging options are available for substitute parts?

A: All substitute parts are supplied in bulk packaging. The original TS-701-HT-3 packaging specification is not provided in the technical data.

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