Siemens 3G-OTH-21940 — Technical Specifications

Name: Siemens 3G-OTH-21940 SIEMENS Molded Case Circuit Breaker: 50 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, ABC, HED4 (MPN HED43B050). Key specifications — Phase Connection: ABC; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.
Brand: Siemens

The SIEMENS Molded Case Circuit Breaker (SKU 3CMR6) is an ED-Frame, HED4 series device rated for 50 A amps with a maximum AIR rating of 42kA at 480V AC. It features a fixed instantaneous trip, ABC phase connection, and load side lug terminal connection (MPN HED43B050).

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Technical Specifications

Parameter	Value
Type	42kA at 480V AC, Fixed, Load Side Lug, ABC, HED4
Series	HED4
Max. AIR Rating	42kA at 480V AC
Phase Connection	ABC
Instantaneous Trip	Fixed
Terminal Connection	Load Side Lug
Manufacturer Part Number	HED43B050