2G3UM 3A Circuit Breaker Equivalent & Substitute Parts

Part Overview

The 2G3UM is a thermal magnetic circuit breaker manufactured by Altech Corporation, rated for 3A at 480V AC / 80V DC with lever actuation and DIN rail mounting. This component is classified as Active product status with full CSA and UL508 approvals. Substitute parts become necessary when the primary part number is unavailable, when inventory constraints require alternative sourcing, or when equivalent performance specifications allow for interchangeable selection within the same electrical and mechanical parameter set.

Substiute Parts

2G3UM

Altech CorporationIn Stock: 8552G3UM Datasheet

Current PartRFQ

2C3UM

Altech CorporationIn Stock: 8412C3UM Datasheet

Parametric EquivalentRFQ

2D3UM

Altech CorporationIn Stock: 10392D3UM Datasheet

Parametric EquivalentRFQ

2Z3UM

Altech CorporationIn Stock: 8712Z3UM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

All substitute parts for the 2G3UM maintain identical electrical and mechanical parameters that define functional interchangeability. Substitution is valid when the following criteria are met:

• Current Rating: 3A (exact match required)
• Voltage Rating - AC: 480V (exact match required)
• Voltage Rating - DC: 80V (exact match required)
• Breaker Type: Thermal Magnetic (exact match required)
• Mounting Type: DIN Rail (exact match required)
• Actuator Type: Lever (exact match required)
• Number of Poles: 2 (exact match required)
• Series: V-EA (exact match required)
• Packaging: Bulk (exact match required)

The substitute parts 2C3UM, 2D3UM, and 2Z3UM meet all these criteria and are therefore electrically and mechanically equivalent to the 2G3UM.

Parameter Comparison

Engineering Selection Recommendations

All four part numbers (2G3UM, 2C3UM, 2D3UM, 2Z3UM) are Active products with full regulatory compliance. The 2G3UM carries CSA and UL508 certifications. The 2C3UM and 2D3UM provide extended compliance with additional VDE certification. The 2Z3UM maintains CSA and UL508 certifications equivalent to the primary part.

Selection between these parts should be based on inventory availability and regional compliance requirements. Applications requiring VDE certification should specify 2C3UM or 2D3UM. Applications requiring only CSA and UL508 compliance may use 2G3UM or 2Z3UM.

Frequently Asked Questions (FAQ)

Q: Can 2C3UM, 2D3UM, or 2Z3UM be used as direct replacements for 2G3UM?

A: Yes. All substitute parts maintain identical current rating (3A), voltage ratings (480V AC / 80V DC), breaker type (thermal magnetic), mounting configuration (DIN rail), actuator type (lever), and pole count (2). They are electrically and mechanically interchangeable.

Q: What is the difference between 2G3UM and 2C3UM?

A: The primary difference is regulatory certification. 2C3UM includes VDE certification in addition to CSA and UL508, while 2G3UM carries only CSA and UL508. All electrical and mechanical parameters are identical.

Q: What is the difference between 2G3UM and 2D3UM?

A: The primary difference is regulatory certification. 2D3UM includes VDE certification in addition to CSA and UL508, while 2G3UM carries only CSA and UL508. All electrical and mechanical parameters are identical.

Q: What is the difference between 2G3UM and 2Z3UM?

A: Both parts carry identical certifications (CSA, UL508) and all electrical and mechanical parameters are identical. These are equivalent alternatives within the same compliance framework.

Q: Are all substitute parts available in the same packaging?

A: Yes. All parts are supplied in Bulk packaging.

Q: Can these parts be mixed in the same circuit or installation?

A: Yes. Since all parts are electrically and mechanically equivalent with identical ratings and specifications, they can be used interchangeably within the same application.