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CLB-153-27ENN-B-A Circuit Breaker Equivalent & Substitute Parts
Part Overview
The CLB-153-27ENN-B-A is a thermal circuit breaker manufactured by Carling Technologies, rated for 15A at 250V AC and 32V DC with push-to-reset panel mount actuation. This single-pole breaker is designed for overcurrent protection in industrial and commercial applications. The part maintains active product status with 934 units in current inventory stock.
Substitute parts are identified based on matching electrical specifications, mechanical mounting requirements, and regulatory compliance certifications. Alternative models from OptiFuse provide equivalent functional performance within the specified parameter ranges.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Breaker Type | Thermal |
| Current Rating | 15A |
| Voltage Rating - AC | 250V |
| Voltage Rating - DC | 32V |
| Mounting Type | Panel Mount |
| Actuator Type | Push to Reset |
| Number of Poles | 1 |
| Illumination | None |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts are qualified based on the following critical parameters that determine functional equivalence:
Electrical Parameters:
- Current Rating: 15A (exact match required)
- Voltage Rating - AC: 250V (exact match required)
- Voltage Rating - DC: 50V (acceptable; exceeds minimum 32V requirement)
Mechanical Parameters:
- 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)
Compliance Parameters:
- RoHS3 Compliant (required)
- Product Status: Active (required)
All substitute parts listed are manufactured by OptiFuse under the CBW57 series and meet these equivalence criteria. The DC voltage rating of 50V on substitute parts provides additional safety margin compared to the 32V specification of the main part.
Parameter Comparison
| Parameter | CLB-153-27ENN-B-A (Carling) | CBW57-EJ-15A (OptiFuse) | CBW57-EL4-15A (OptiFuse) | CBW57-ES-15A (OptiFuse) | CBW57-ES-15A-5X (OptiFuse) | CBW57-GS-15A-WB (OptiFuse) | CBW57-HB-15A-P (OptiFuse) | CBW57-HS-15A-5X (OptiFuse) | CBW57-PB-15A (OptiFuse) | CBW57-PB-15A-5X (OptiFuse) | CBW57-PB-15A-WX (OptiFuse) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Breaker Type | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal | Thermal |
| Current Rating (Amps) | 15A | 15A | 15A | 15A | 15A | 15A | 15A | 15A | 15A | 15A | 15A |
| 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 |
| 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 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All listed substitute parts from the OptiFuse CBW57 series satisfy the electrical and mechanical requirements for direct substitution with the CLB-153-27ENN-B-A. Selection among the substitute options is determined by:
Regulatory Compliance: All substitute parts maintain ROHS3 compliance and active product status. The main part carries CE, cUL, TUV, UL1077, and UL1500 certifications. Substitute parts carry cURus, IP 40, SAE J1171, UL 1077, and UL 1500 certifications, with UL 1077 and UL 1500 providing direct alignment with the main part's approval agencies.
Voltage Margin: Substitute parts rated at 50V DC provide a 56% safety margin above the 32V DC specification of the main part, suitable for applications requiring enhanced DC voltage tolerance.
Inventory Availability: Substitute parts demonstrate varying stock levels, with CBW57-HB-15A-P offering the highest inventory at 8,822 units, followed by CBW57-ES-15A at 3,521 units. Selection based on supply chain requirements is appropriate.
Packaging Variants: Substitute part designations include packaging and configuration suffixes (such as -5X, -WB, -WX, -P) that indicate different physical packaging or terminal configurations. These variants maintain electrical equivalence while accommodating specific mechanical installation requirements.
Frequently Asked Questions (FAQ)
Q: Can CBW57 series parts directly replace the CLB-153-27ENN-B-A?
A: Yes. All listed CBW57 substitute parts match the critical electrical parameters (15A, 250V AC, push-to-reset thermal operation) and mechanical mounting requirements (panel mount, single-pole). The 50V DC rating on substitute parts exceeds the 32V DC specification, providing additional operational margin.
Q: What is the significance of the DC voltage difference between the main part (32V) and substitute parts (50V)?
A: The substitute parts are rated for higher DC voltage operation. In applications operating at or below 32V DC, the 50V-rated substitute parts function identically to the main part. The higher rating does not degrade performance in lower-voltage applications.
Q: Do the packaging suffixes (-5X, -WB, -WX, -P) affect electrical performance?
A: No. Packaging suffixes indicate physical configuration, terminal style, or quantity per package. Electrical specifications and functional performance remain identical across all variants within the CBW57 series at the 15A, 250V AC rating.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed CBW57 substitute parts carry ROHS3 Compliant status, matching the environmental compliance requirement of the main part.
Q: Which substitute part offers the best inventory availability?
A: CBW57-HB-15A-P provides the highest current stock at 8,822 units. CBW57-ES-15A offers the second-highest availability at 3,521 units. Inventory levels are subject to change and should be verified at time of procurement.
Q: Are there differences in approval certifications between the main part and substitute parts?
A: The main part carries CE, cUL, TUV, UL1077, and UL1500 certifications. Substitute parts carry cURus, IP 40, SAE J1171, UL 1077, and UL 1500 certifications. Both sets include UL 1077 and UL 1500, which are the primary thermal circuit breaker standards. The substitute parts' cURus certification covers both Canadian and U.S. regulatory requirements.
Q: Can I mix and match different CBW57 variants in the same application?
A: Yes. All CBW57 variants listed maintain identical electrical specifications at the 15A, 250V AC, 50V DC rating. Mechanical compatibility depends on the specific panel cutout and terminal configuration required by your application. Verify packaging suffix compatibility with your installation requirements.
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