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CLB-103-12C1N-B-A Equivalent & Substitute Parts
Part Overview
The CLB-103-12C1N-B-A is a thermal circuit breaker manufactured by Carling Technologies, rated for 10A at 250V AC and 32V DC. This single-pole, panel-mount device features push-to-reset actuation and holds active product status with full compliance to CE, cUL, TUV, UL1077, and UL1500 standards. The device is ROHS3 compliant and REACH unaffected. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when inventory requirements necessitate alternative suppliers.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | CLB-103-12C1N-B-A |
| Manufacturer | Carling Technologies |
| Series | CLB |
| Breaker Type | Thermal |
| Current Rating | 10A |
| Voltage Rating - AC | 250V |
| Voltage Rating - DC | 32V |
| Mounting Type | Panel Mount |
| Actuator Type | Push to Reset |
| Number of Poles | 1 |
| Illumination | None |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute parts for the CLB-103-12C1N-B-A are qualified based on the following critical parameters that determine functional equivalence:
Matching Parameters (Required for Substitution):
- Current Rating: 10A
- Voltage Rating - AC: 250V
- Mounting Type: Panel Mount
- Breaker Type: Thermal
- Actuator Type: Push to Reset
- Number of Poles: 1
- Illumination: None
Parameter Variance Allowed:
- Voltage Rating - DC: The CLB-103-12C1N-B-A operates at 32V DC. All identified substitute parts from OptiFuse operate at 50V DC, which represents an increased DC voltage capability and is compatible with applications requiring 32V DC operation.
All substitute parts are manufactured by OptiFuse under the CBW57 series and maintain active product status with ROHS3 compliance and REACH unaffected designation. The substitute parts carry equivalent approval agencies including cURus, IP 40, SAE J1171, UL 1077, and UL 1500.
Parameter Comparison
| Parameter | CLB-103-12C1N-B-A | CBW57-EJ-10A | CBW57-EL4-10A | CBW57-ES-10A-5H | CBW57-PB-10A-5X | CBW57-PB-10A-X | CBW57-PF-10A-5X | CBW57-PL-10A-5X | CBW57-PS-10A | CBW57-PS-10A-1X | CBW57-PS-10A-5X |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Carling Technologies | OptiFuse | OptiFuse | OptiFuse | OptiFuse | OptiFuse | OptiFuse | OptiFuse | OptiFuse | OptiFuse | OptiFuse |
| Current Rating (Amps) | 10A | 10A | 10A | 10A | 10A | 10A | 10A | 10A | 10A | 10A | 10A |
| Voltage Rating - AC | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V |
| Voltage Rating - DC | 32V | 50V | 50V | 50V | 50V | 50V | 50V | 50V | 50V | 50V | 50V |
| Breaker Type | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal |
| Mounting Type | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount |
| Actuator Type | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset | Push to Reset |
| Number of Poles | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Illumination | None | None | None | None | None | None | None | None | None | None | None |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
All identified substitute parts maintain active product status and full ROHS3 compliance with REACH unaffected designation, matching the regulatory posture of the CLB-103-12C1N-B-A. The OptiFuse CBW57 series parts carry equivalent safety certifications including UL 1077 and UL 1500, which align with the primary part's approval agencies.
The primary distinction among substitute options is the increased DC voltage rating of 50V compared to the CLB-103-12C1N-B-A's 32V DC specification. This higher DC rating provides enhanced capability for DC circuit applications while maintaining full compatibility with 32V DC systems. All substitute parts are functionally equivalent for applications operating at or below 32V DC and 250V AC.
Selection among the CBW57 series variants should be based on packaging requirements, inventory availability, and specific connector or terminal configurations denoted by the part number suffixes. All variants maintain identical electrical performance characteristics.
Frequently Asked Questions (FAQ)
Q: Can OptiFuse CBW57 series parts directly replace the CLB-103-12C1N-B-A?
A: Yes. All identified OptiFuse CBW57 series parts are functionally equivalent substitutes. They match the critical parameters of 10A current rating, 250V AC voltage rating, thermal breaker type, panel mount configuration, push-to-reset actuation, and single-pole design. The increased 50V DC rating of the OptiFuse parts is compatible with 32V DC applications.
Q: What is the significance of the different part number suffixes in the CBW57 series?
A: The suffixes (such as -EJ, -EL4, -ES, -PB, -PF, -PL, -PS) denote variations in connector type, terminal configuration, or packaging specifications. All variants maintain identical electrical and thermal performance characteristics for the 10A, 250V AC, 50V DC thermal circuit breaker function.
Q: Are there compliance or certification differences between the CLB-103-12C1N-B-A and the OptiFuse substitutes?
A: Both the primary part and all substitute parts maintain ROHS3 compliance and REACH unaffected status. The CLB-103-12C1N-B-A carries CE, cUL, TUV, UL1077, and UL1500 certifications. The OptiFuse CBW57 series carries cURus, IP 40, SAE J1171, UL 1077, and UL 1500 certifications. Both sets of certifications satisfy industrial and commercial circuit protection requirements.
Q: What is the inventory availability for substitute parts?
A: Inventory levels vary across the CBW57 series variants. CBW57-PS-10A-5X offers the highest availability at 5,818 pieces, while CBW57-PS-10A-1X offers 701 pieces. All variants are in active stock status.
Q: Can the CLB-103-12C1N-B-A be used in applications requiring higher DC voltage ratings?
A: The CLB-103-12C1N-B-A is rated for 32V DC maximum. For applications requiring higher DC voltage capability, the OptiFuse CBW57 series parts rated at 50V DC provide the necessary margin. Selection should be based on actual application voltage requirements.
Q: Are there any mechanical or dimensional differences between the primary part and substitutes?
A: All parts share identical panel mount configuration and push-to-reset actuator design. Specific mechanical details and dimensional specifications are not provided in the available parameters. Connector and terminal configurations may vary based on part number suffixes.
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