3C2UM 2A Circuit Breaker Equivalent & Substitute Parts

Part Overview

The 3C2UM is a thermal magnetic circuit breaker manufactured by Altech Corporation, rated for 2A at 480V AC and 80V DC. This DIN rail-mounted breaker with lever actuator and 3-pole configuration is designed for industrial control and distribution applications. The part is currently active in production with full stock availability. Equivalent substitute parts are available within the V-EA series to accommodate supply chain flexibility, inventory optimization, and application-specific thermal characteristic requirements.

Substiute Parts

3C2UM

Altech CorporationIn Stock: 9773C2UM Datasheet

Current PartRFQ

3D2UM

Altech CorporationIn Stock: 10273D2UM Datasheet

Parametric EquivalentRFQ

3E2UM

Altech CorporationIn Stock: 8833E2UM Datasheet

Parametric EquivalentRFQ

3G2UM

Altech CorporationIn Stock: 9553G2UM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The 3C2UM has three parametric equivalents within the Altech V-EA series: 3D2UM, 3E2UM, and 3G2UM. All substitute parts maintain identical electrical and mechanical specifications across the following critical parameters:

• Current Rating: 2A
• Voltage Rating: 480V AC / 80V DC
• Number of Poles: 3
• Mounting Type: DIN Rail
• Actuator Type: Lever
• Breaker Type: Thermal Magnetic
• Series: V-EA
• RoHS Status: ROHS3 Compliant

The substitution is based on thermal characteristic designation (C, D, E, and G characters in the part number), which defines the trip curve behavior of the thermal element. All four part numbers are functionally interchangeable for applications requiring 2A protection at the specified voltage ratings with identical mechanical form factor and mounting requirements.

Parameter Comparison

Engineering Selection Recommendations

All four part numbers are active products with full regulatory compliance. The 3C2UM, 3D2UM, and 3G2UM carry CSA, UL508, and VDE approvals, while 3E2UM carries CSA and UL508 approvals. Selection between these equivalents should be based on application-specific thermal trip curve requirements and regulatory jurisdiction requirements. For applications requiring VDE certification, 3C2UM, 3D2UM, or 3G2UM are appropriate selections. All parts maintain identical mechanical compatibility with DIN rail mounting systems and identical electrical ratings.

Frequently Asked Questions (FAQ)

Q: Are 3C2UM, 3D2UM, 3E2UM, and 3G2UM mechanically interchangeable?

A: Yes. All four part numbers share identical mounting type (DIN Rail), form factor, pole configuration (3-pole), and actuator type (Lever). Direct substitution in existing DIN rail installations is supported without mechanical modification.

Q: What is the difference between the C, D, E, and G designations in the part numbers?

A: The character designation indicates the thermal trip curve characteristic of the breaker. This defines the time-current response of the thermal element. All four variants maintain the same 2A current rating and voltage specifications but differ in thermal response behavior.

Q: Can I substitute 3E2UM for 3C2UM in an application requiring VDE certification?

A: No. The 3E2UM carries CSA and UL508 approvals but does not include VDE certification. For applications requiring VDE compliance, use 3C2UM, 3D2UM, or 3G2UM.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All four part numbers (3C2UM, 3D2UM, 3E2UM, 3G2UM) are ROHS3 compliant.

Q: What is the current inventory status for each part?

A: 3C2UM: 918 units, 3D2UM: 1005 units, 3E2UM: 809 units, 3G2UM: 935 units. All parts are available as new original stock.

Q: Do these breakers require any special installation considerations?

A: All parts are DIN rail-mounted with lever actuators. Installation follows standard DIN rail mounting procedures. No special considerations are required for mechanical installation or electrical connection.