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CMB-153-11DNN-W-D Equivalent & Substitute Parts
Part Overview
The CMB-153-11DNN-W-D is a thermal circuit breaker manufactured by Carling Technologies, rated for 15A at 250V AC and 32V DC with push-to-reset actuation and panel mount configuration. This component is classified as Active product status and carries multiple international approvals including CE, cUL, TUV, UL1077, and UL1500 certifications. The device is ROHS3 compliant and REACH unaffected.
Substitute parts are identified when equivalent electrical and mechanical parameters align with the main component specifications, enabling direct replacement in applications where the primary part becomes unavailable or when inventory optimization is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Breaker Type | Thermal |
| Current Rating | 15A |
| Voltage Rating - AC | 250V |
| Voltage Rating - DC | 32V |
| Actuator Type | Push to Reset |
| Mounting Type | Panel Mount |
| Number of Poles | 1 |
| Illumination | None |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the CMB-153-11DNN-W-D are qualified based on the following critical parameters:
Electrical Equivalence Requirements:
- Current Rating: 15A (exact match required)
- Voltage Rating - AC: 250V (exact match required)
- Voltage Rating - DC: Minimum 32V (substitute parts rated at 50V DC exceed specification and remain compatible)
Mechanical Equivalence Requirements:
- 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)
Compliance Requirements:
- RoHS3 Compliant status (all substitutes meet this requirement)
- Active product status (all substitutes maintain active status)
All identified substitute parts are manufactured by OptiFuse under the CBW57 series and satisfy these equivalence criteria. The higher DC voltage rating (50V) in substitute parts provides enhanced capability while maintaining full compatibility with the original 32V DC specification.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Series | Current Rating (Amps) | Voltage Rating - AC | Voltage Rating - DC | Breaker Type | Actuator Type | Mounting Type | Number of Poles | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CMB-153-11DNN-W-D | Carling Technologies | CMB | 15A | 250V | 32V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-EJ-15A | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-EL4-15A | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-ES-15A | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-ES-15A-5X | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-GS-15A-WB | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-HB-15A-P | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-HS-15A-5X | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-PB-15A-5X | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-PB-15A-WX | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
| CBW57-PS-15A | OptiFuse | CBW57 | 15A | 250V | 50V | Thermal | Push to Reset | Panel Mount | 1 | Active | ROHS3 Compliant |
Engineering Selection Recommendations
All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring continued availability and regulatory conformance. The OptiFuse CBW57 series components carry equivalent international approvals including cURus, UL 1077, and UL 1500 certifications, providing functional parity with the original Carling Technologies CMB-153-11DNN-W-D component.
The substitute parts feature a higher DC voltage rating of 50V compared to the original 32V specification. This enhanced rating does not compromise compatibility and provides additional operational margin in DC applications. All substitute components are rated for identical AC voltage (250V), current (15A), and mechanical configuration (panel mount, push-to-reset, single pole, thermal operation).
Selection among the available substitute parts may be based on inventory availability and specific connector or terminal configurations indicated by the part number suffixes. All qualified substitutes are functionally interchangeable for the specified electrical and mechanical requirements.
Frequently Asked Questions (FAQ)
Q: What determines if a circuit breaker can substitute for the CMB-153-11DNN-W-D?
A: Substitution is determined by matching the following parameters: 15A current rating, 250V AC voltage rating, thermal breaker type, push-to-reset actuation, panel mount configuration, and single-pole design. DC voltage rating must be at least 32V; higher ratings are compatible.
Q: Why do the substitute parts have a 50V DC rating instead of 32V DC?
A: The substitute parts are rated for 50V DC, which exceeds the original 32V DC specification. This higher rating provides enhanced capability and operational margin while maintaining full compatibility with applications designed for 32V DC operation.
Q: Are all OptiFuse CBW57 series parts listed as substitutes?
A: No. Only the specific OptiFuse CBW57 part numbers listed in the Parameter Comparison table are qualified substitutes. Each part number represents a distinct configuration variant within the CBW57 series.
Q: What do the suffixes in part numbers like CBW57-ES-15A-5X indicate?
A: The suffixes represent specific connector, terminal, or packaging configuration variants. These variants do not affect the core electrical specifications (current, voltage, breaker type) but may influence physical mounting or connection methods.
Q: Can I use these substitutes in both AC and DC applications?
A: Yes. All substitute parts are rated for both 250V AC and 50V DC operation, making them suitable for applications utilizing either voltage type or mixed AC/DC systems within the specified ratings.
Q: Are there inventory considerations when selecting a substitute?
A: Yes. Inventory levels vary among substitute parts. CBW57-HB-15A-P has the highest inventory at 8,822 pieces, while CBW57-PB-15A-WX has 936 pieces. Selection based on availability may be appropriate for high-volume requirements.
Q: Do all substitutes carry the same regulatory approvals?
A: All substitute parts carry cURus, UL 1077, and UL 1500 approvals. The original CMB-153-11DNN-W-D carries CE, cUL, TUV, UL1077, and UL1500 approvals. Verify specific approval requirements for your application before selection.
Q: What is the Moisture Sensitivity Level (MSL) for these components?
A: Most OptiFuse CBW57 substitute parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
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