Equivalent & Substitute Parts for CMB-033-11C3N-B-A

Part Overview

Carling Technologies' CMB-033-11C3N-B-A is a panel-mount thermal circuit breaker with a current rating of 3A, voltage ratings of 250 V AC and 32 V DC, and a push-to-reset actuator. The product is RoHS3 compliant, holds multiple certifications (CE, cUL, TUV, UL1077, UL1500), and is available as an active part in bulk packaging. Identifying alternative models is essential in scenarios where supply continuity, cost optimization, or lead time reduction is required, especially for applications with matching parametric and compliance requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	CMB-033-11C3N-B-A
Manufacturer	Carling Technologies
Series	CMB
Packaging	Bulk
Part Status	Active
Mounting Type	Panel Mount
Breaker Type	Thermal
Current Rating (Amps)	3A
Voltage Rating - AC	250 V
Voltage Rating - DC	32 V
Actuator Type	Push to Reset
Number of Poles	1
Illumination	None
Approval Agency	CE, cUL, TUV, UL1077, UL1500
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8536.20.0020

Substitute Part Grouping Explanation

Substitute parts for circuit breaker CMB-033-11C3N-B-A have been identified based strictly on the following key parameters: panel mount configuration, thermal breaker type, 3A current rating, voltage ratings of 250 V AC and 32 V DC, push-to-reset actuator, single pole configuration, absence of illumination, RoHS3 compliance, and available bulk packaging. All alternatives listed meet these specific characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Packaging	Part Status	Mounting Type	Breaker Type	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Number of Poles	Illumination	RoHS Status	MSL	REACH Status
CMB-033-11C3N-B-A	Carling Technologies	CMB	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	None	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
QLB-033-00DNN-3BA	Qualtek	QLB	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	Not Applicable	REACH Affected
QLB-033-11B3N-3BA	Qualtek	QLB	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	Not Applicable	REACH Affected
QMB-033-00ENN-3BA	Qualtek	QMB	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	Not Applicable	REACH Affected
QMB-033-11C3N-3BA	Qualtek	QMB	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	Not Applicable	REACH Affected
W28-XQ1A-3	TE Connectivity Potter & Brumfield Relays	W28	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
W28-XQ1B-3	TE Connectivity Potter & Brumfield Relays	W28	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	Not Applicable	REACH Affected
W28-XT1A-3	TE Connectivity Potter & Brumfield Relays	W28	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	1 (Unlimited)	REACH Affected
W28-XTBA-3	TE Connectivity Potter & Brumfield Relays	W28	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	ROHS3 Compliant	Not Applicable	REACH Affected

Engineering Selection Recommendations

When selecting substitute thermal circuit breaker parts, ensure the part status is active and the compliance requirements, including RoHS3 status and REACH status, match application or regulatory needs. Certifications and approval agency standards should be considered if required by the end-use environment. All listed substitutes are provided in bulk packaging and maintain parametric equivalence, allowing direct replacement based on the provided information.

Frequently Asked Questions (FAQ)

Q1: Which parameters are critical for choosing a substitute for CMB-033-11C3N-B-A?
A1: The critical parameters are current rating (3A), voltage rating (250 V AC, 32 V DC), breaker type (thermal), mounting type (panel mount), actuator type (push to reset), pole count (1), and RoHS3 compliance.

Q2: Are the substitute circuit breakers compatible in terms of mounting and electrical ratings?
A2: All substitutes listed match the panel mount configuration and have identical electrical ratings: 3A current, 250 V AC, and 32 V DC.

Q3: Are there differences in environmental or compliance status among the listed substitutes?
A3: The substitutes are RoHS3 compliant, but the REACH status may vary. Review the REACH status to ensure alignment with specific application or jurisdictional requirements.

Q4: Is illumination present in any of the substitutes?
A4: None of the listed substitutes include illumination, matching the original part's configuration.

Q5: Are all substitute parts supplied in the same packaging type?
A5: All substitute parts are supplied in bulk packaging.

Q6: What part status should be used for interchangeability?
A6: Only active status parts are listed, ensuring supply continuity and support.

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