Siemens 3G-OTH-21986 — Technical Specifications

Name: Siemens 3G-OTH-21986 SIEMENS Molded Case Circuit Breaker: 70 A Amps, 18kA at 480V AC, Fixed, Load Side Lug, ABC, ED4 (MPN ED43B070). Key specifications — Phase Connection: ABC; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: ED4; Max. AIR Rating: 18kA at 480V AC.
Brand: Siemens

The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU 3CMK3) is a 70 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 18kA at 480V AC, and ABC phase connection. The breaker includes load-side lug terminal connections and is identified by manufacturer part number ED43B070.

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Technical Specifications

Parameter	Value
Type	18kA at 480V AC, Fixed, Load Side Lug, ABC, ED4
Series	ED4
Max. AIR Rating	18kA at 480V AC
Phase Connection	ABC
Instantaneous Trip	Fixed
Terminal Connection	Load Side Lug
Manufacturer Part Number	ED43B070