MM1-B-34-620-1-2BC-B-C Circuit Breaker Equivalent & Substitute Parts

Part Overview

The MM1-B-34-620-1-2BC-B-C is a single-pole magnetic hydraulic delay circuit breaker manufactured by Carling Technologies, rated for 20A at 250V AC and 80V DC. This component is designed for panel mount applications with lever actuation and is currently active in production. Equivalent and substitute parts are necessary to address supply chain requirements, inventory optimization, and design flexibility while maintaining identical electrical and mechanical performance specifications.

Substiute Parts

MM1-B-34-620-1-2BC-B-C

Carling TechnologiesIn Stock: 868MM1-B-34-620-1-2BC-B-C Datasheet

Current PartRFQ

IEG1-1-63-20.0-01-V

Sensata-AirpaxIn Stock: 1152IEG1-1-63-20.0-01-V Datasheet

Parametric EquivalentRFQ

IEG6-1-72-20.0-01-V

Sensata-AirpaxIn Stock: 1099IEG6-1-72-20.0-01-V Datasheet

Parametric EquivalentRFQ

IEL1-1-51-20.0-01-V

Sensata-AirpaxIn Stock: 968IEL1-1-51-20.0-01-V Datasheet

Parametric EquivalentRFQ

IELK1-1-72-20.0-01-V

Sensata-AirpaxIn Stock: 1256IELK1-1-72-20.0-01-V Datasheet

Parametric EquivalentRFQ

IUG1-1-62-30.0-CQ-01

Sensata Technologies – AirpaxIn Stock: 1195IUG1-1-62-30.0-CQ-01 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MM1-B-34-620-1-2BC-B-C are qualified based on strict parametric equivalence across all critical electrical and mechanical specifications. The following parameters determine substitution eligibility:

Mandatory Matching Parameters:

• Current Rating: 20A
• Voltage Rating - AC: 250V
• Voltage Rating - DC: 80V
• Breaker Type: Magnetic (Hydraulic Delay)
• Mounting Type: Panel Mount
• Actuator Type: Lever
• Number of Poles: 1
• Illumination: None

All substitute parts listed below meet these exact specifications and are manufactured by Sensata-Airpax, representing alternative product lines within the magnetic hydraulic delay circuit breaker category. Each substitute maintains functional and dimensional compatibility with the original part.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed are active products with current manufacturing status and full RoHS compliance. Selection among the available substitutes should be based on the following factors:

Certification Alignment: The MM1-B-34-620-1-2BC-B-C carries CCC, CSA, and UL1077 approvals. Substitute parts carry the following certifications:

• IEL1-1-51-20.0-01-V: No approval agencies specified in provided data
• IELK1-1-72-20.0-01-V: UL1077
• IEG1-1-63-20.0-01-V: CSA, TUV, UL1077
• IEG6-1-72-20.0-01-V: CSA, TUV, UL1077
• IUG1-1-62-30.0-CQ-01: No approval agencies specified in provided data

Inventory Availability: All substitute parts maintain active inventory levels ranging from 919 to 1212 pieces in stock.

Moisture Sensitivity Level (MSL): All Sensata-Airpax substitutes carry MSL 1 (Unlimited), indicating no moisture sensitivity constraints during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can any of these substitute parts be used interchangeably with the MM1-B-34-620-1-2BC-B-C?

A: Yes. All listed substitute parts meet identical electrical specifications (20A, 250V AC, 80V DC) and mechanical requirements (panel mount, lever actuator, single pole, magnetic hydraulic delay operation). They are functionally equivalent for applications requiring these exact parameters.

Q: What is the difference between the various Sensata-Airpax substitute models?

A: The substitute parts represent different product series within Sensata-Airpax's magnetic hydraulic delay circuit breaker portfolio (IEL, IEG, and IUG series). Despite different model designations and series classifications, all listed parts maintain identical electrical and mechanical specifications for the 20A, 250V AC, 80V DC configuration.

Q: Are there any compliance or certification differences I should consider?

A: The original MM1-B-34-620-1-2BC-B-C carries CCC, CSA, and UL1077 certifications. Substitute parts carry varying certification profiles. IEG1-1-63-20.0-01-V and IEG6-1-72-20.0-01-V both carry CSA, TUV, and UL1077 approvals, providing broad compliance coverage. Application requirements should determine whether specific certifications are mandatory.

Q: What is the packaging format for these parts?

A: The original part and all substitute parts are supplied in bulk packaging, suitable for integration into manufacturing and assembly operations.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts are RoHS compliant. The original part is ROHS3 compliant, and all Sensata-Airpax substitutes are RoHS compliant, meeting environmental regulatory requirements.

Q: What is the REACH status of these parts?

A: The original MM1-B-34-620-1-2BC-B-C is REACH Unaffected. IEG6-1-72-20.0-01-V is also REACH Unaffected. Other substitute parts do not have REACH status specified in the provided data.

Q: Can I mix and match these parts in the same application or assembly?

A: Yes. Since all parts meet identical electrical and mechanical specifications, they can be used interchangeably within the same application or assembly without functional impact.