3G50UM Circuit Breaker - Equivalent & Substitute Parts

Part Overview

The 3G50UM is a three-pole thermal magnetic circuit breaker manufactured by Altech Corporation, rated for 50A at 480V AC and 60V DC. This DIN rail-mounted breaker features a lever actuator and is part of the V-EA series. The product is active and in stock with full CSA and UL508 approval. Substitute parts are necessary when the specific G-characteristic thermal curve is not required, allowing selection from alternative characteristic types (C or E) that maintain identical electrical and mechanical specifications.

Substiute Parts

3G50UM

Altech CorporationIn Stock: 11473G50UM Datasheet

Current PartRFQ

3C50UM

Altech CorporationIn Stock: 10363C50UM Datasheet

Parametric EquivalentRFQ

3E50UM

Altech CorporationIn Stock: 11113E50UM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The 3G50UM can be substituted with 3C50UM and 3E50UM based on strict parameter equivalence. All three parts share identical specifications across the following critical parameters:

• Current Rating: 50A
• Voltage Rating: 480V AC / 60V DC
• Breaker Type: Thermal Magnetic
• Number of Poles: 3
• Mounting Type: DIN Rail
• Actuator Type: Lever
• Series: V-EA
• Approval Agencies: CSA, UL508
• RoHS Compliance: ROHS3 Compliant

The only distinction between these parts is the thermal characteristic curve designation (G, C, or E), which defines the trip time response under overload conditions. Parts are interchangeable when the specific characteristic curve is not a functional requirement of the application.

Parameter Comparison

Engineering Selection Recommendations

All three parts—3G50UM, 3C50UM, and 3E50UM—are active products with full CSA and UL508 certification and ROHS3 compliance. Selection between these parts should be based solely on the thermal characteristic curve requirement of the application. The G-characteristic (3G50UM) provides one trip time profile, while C-characteristic (3C50UM) and E-characteristic (3E50UM) provide alternative profiles. All parts are mechanically and electrically interchangeable when mounted on DIN rail systems rated for 480V AC / 60V DC operation with 50A load requirements.

Frequently Asked Questions (FAQ)

Q: Can 3C50UM replace 3G50UM in my application? A: Yes, if the thermal characteristic curve is not specified as a functional requirement. Both parts are identical in current rating, voltage rating, pole configuration, mounting type, and certifications. The only difference is the trip time response curve.

Q: What is the difference between G, C, and E characteristic types? A: The characteristic designation defines the thermal trip time response under overload conditions. These are distinct thermal curves, but all three parts in this group maintain the same electrical and mechanical specifications for 50A, 480V AC operation.

Q: Are all three parts DIN rail compatible? A: Yes. All three parts—3G50UM, 3C50UM, and 3E50UM—are DIN rail-mounted breakers with lever actuators and identical mechanical dimensions within the V-EA series.

Q: Do all substitute parts have the same certifications? A: Yes. All three parts carry CSA and UL508 approval and are ROHS3 compliant.

Q: What is the inventory status for each part? A: 3G50UM has 1048 units in stock, 3C50UM has 933 units in stock, and 3E50UM has 1001 units in stock. All are listed as new original inventory.

Q: Can these parts be used interchangeably in the same circuit? A: Yes, provided the application does not require a specific thermal characteristic curve. All parts are rated for identical voltage and current specifications and share the same mechanical mounting interface.