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Siemens Molded Case Circuit Breaker: 30 A Amps, 18kA at 480V AC, Fixed, Load Side Lug - ED-Frame Siemens Molded Case Circuit Breakers
SiemensED-Frame Siemens Molded Case Circuit Breakers

Siemens Molded Case Circuit Breaker: 30 A Amps, 18kA at 480V AC, Fixed, Load Side Lug

The SIEMENS Molded Case Circuit Breaker is an ED-Frame, ED4-series device rated for 30 A amps with a maximum AIR rating of 18kA at 480V AC. It features a fixed instantaneous trip and a load-side lug terminal…

SKU 3G-OTH-22503

Brand
Siemens
Item
Molded Case Circuit Breaker: 30 A Amps, 18kA at 480V AC, Fixed, Load Side Lug
Category
ED-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
ED42B030
Series
ED4
Type
18kA at 480V AC, Fixed, Load Side Lug, Any, ED4
Max. AIR Rating
18kA at 480V AC
Phase Connection
Any
Instantaneous Trip
Fixed
Terminal Connection
Load Side Lug
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Molded Case Circuit Breaker is an ED-Frame, ED4-series device rated for 30 A amps with a maximum AIR rating of 18kA at 480V AC. It features a fixed instantaneous trip and a load-side lug terminal connection, supporting any phase connection. This product is identified by manufacturer part number ED42B030 and SKU 3CMH7.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens ed-frame siemens molded case circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SIEMENS Molded Case Circuit Breaker: 15 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, ABC, HED4 (MPN HED43B015). Key specifications — Phase Connection: ABC; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.
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SIEMENS Molded Case Circuit Breaker: 100 A Amps, 25kA at 277V AC, Fixed, Load Side Lug, Any, HED4 (MPN HED41B100). Key specifications — Phase Connection: Any; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 25kA at 277V AC.
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SIEMENS Molded Case Circuit Breaker: 80 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, ABC, HED4 (MPN HED43B080). Key specifications — Phase Connection: ABC; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.
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SIEMENS Molded Case Circuit Breaker: 80 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, ABC, HED4 (MPN HED43B080). Key specifications — Phase Connection: ABC; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.
SIEMENS Molded Case Circuit Breaker: 90 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, Any, HED4 (MPN HED42B090). Key specifications — Phase Connection: Any; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.
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SIEMENS Molded Case Circuit Breaker: 90 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, Any, HED4 (MPN HED42B090). Key specifications — Phase Connection: Any; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.