CMB-153-11CNN-B-D Equivalent & Substitute Parts

Part Overview

The CMB-153-11CNN-B-D is a thermal circuit breaker manufactured by Carling Technologies, rated for 15A 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 manufacturers while maintaining equivalent electrical and mechanical performance.

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 for the CMB-153-11CNN-B-D are qualified based on matching the following critical parameters: 15A current rating, 250V AC voltage rating, push-to-reset actuation, single-pole configuration, panel-mount installation, thermal breaker type, and absence of illumination. All substitute parts are manufactured by OptiFuse under the CBW57 series and maintain ROHS3 compliance and REACH unaffected status.

The substitute parts listed demonstrate DC voltage ratings of 50V, which exceeds the 32V DC specification of the primary part. This represents an upward compatibility margin and does not restrict substitution. All substitute parts maintain identical AC voltage ratings, current ratings, mounting configurations, and actuation mechanisms as the CMB-153-11CNN-B-D.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current Rating (A)	Voltage AC (V)	Voltage DC (V)	Mounting Type	Actuator Type	Poles	Breaker Type	RoHS Status	Product Status
CMB-153-11CNN-B-D	Carling Technologies	15	250	32	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-EJ-15A	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-EL4-15A	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-ES-15A	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-ES-15A-5X	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-GS-15A-WB	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-HB-15A-P	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-HS-15A-5X	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-PB-15A	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-PB-15A-5X	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active
CBW57-PB-15A-WX	OptiFuse	15	250	50	Panel Mount	Push to Reset	1	Thermal	ROHS3 Compliant	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance equivalent to the CMB-153-11CNN-B-D. The OptiFuse CBW57 series parts carry regulatory approvals including cURus, IP 40, SAE J1171, UL 1077, and UL 1500, providing compliance coverage for thermal circuit breaker applications. The primary distinction among substitute options relates to packaging variants and internal configuration codes embedded in the part number suffix (such as -5X, -WB, -WX, -P designations), which do not alter the electrical or mechanical specifications relevant to substitution.

Selection among the substitute parts should be based on inventory availability, packaging requirements, and any application-specific mechanical interface considerations. All substitute parts are functionally equivalent for 15A thermal circuit breaker applications at 250V AC operation.

Frequently Asked Questions (FAQ)

Q: Can CBW57 series parts directly replace the CMB-153-11CNN-B-D?

A: Yes. All listed CBW57 series parts match the critical electrical parameters: 15A current rating, 250V AC voltage rating, push-to-reset actuation, single-pole configuration, and panel-mount installation. The 50V DC rating of CBW57 parts exceeds the 32V DC specification, providing compatibility for DC applications within the CMB-153-11CNN-B-D operating range.

Q: What do the suffix codes in CBW57 part numbers indicate?

A: The suffix codes (such as -EJ, -EL4, -ES, -GS, -HB, -HS, -PB) represent internal configuration and connector variants. These designations do not alter the core electrical specifications of current rating, voltage rating, or actuation type. The -5X and -WX suffixes indicate packaging or terminal configuration variants.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed CBW57 substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance status of the CMB-153-11CNN-B-D.

Q: What is the inventory status of substitute parts?

A: Inventory quantities vary by part number. CBW57-HB-15A-P maintains the highest inventory at 8,822 pieces. CBW57-ES-15A holds 3,521 pieces. Other variants range from 827 to 1,862 pieces in stock.

Q: Do all substitute parts carry the same regulatory certifications?

A: All substitute parts carry cURus, IP 40, SAE J1171, UL 1077, and UL 1500 certifications. The primary part carries CE, cUL, TUV, UL1077, and UL1500 certifications. Both certification sets are appropriate for thermal circuit breaker applications.

Q: Can I use a CBW57 part with higher DC voltage rating in a 32V DC application?

A: Yes. The 50V DC rating of CBW57 parts provides upward compatibility. A component rated for 50V DC operates safely in applications specified for 32V DC.

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