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Siemens Molded Case Circuit Breaker: 30 A Amps, 10kA at 120V 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, 10kA at 120V AC, Fixed, Load Side Lug

The SIEMENS Molded Case Circuit Breaker is an ED-Frame, ED2-series device rated for 30 A amps with a maximum AIR rating of 10kA at 120V AC. It features a fixed instantaneous trip and a load-side lug terminal…

SKU 3G-OTH-21777

Brand
Siemens
Item
Molded Case Circuit Breaker: 30 A Amps, 10kA at 120V AC, Fixed, Load Side Lug
Category
ED-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
ED21B030
Series
ED2
Type
10kA at 120V AC, Fixed, Load Side Lug, Any, ED2
Max. AIR Rating
10kA at 120V 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, ED2-series device rated for 30 A amps with a maximum AIR rating of 10kA at 120V AC. It features a fixed instantaneous trip and a load-side lug terminal connection, supporting any phase connection. This breaker is identified by manufacturer part number ED21B030.

Frequently Asked Questions

What is the Siemens ED21B030 molded case circuit breaker used for?

The Siemens ED21B030 is an ED-frame, ED2-series molded case circuit breaker rated for 30 A. It protects electrical circuits from overloads and short circuits in commercial and industrial power distribution panels, switchboards, and motor control centers. Its fixed instantaneous trip and load-side lug terminals suit branch-circuit protection.

What are the specifications of the Siemens ED21B030 circuit breaker?

The Siemens ED21B030 is a 30 A molded case circuit breaker with a maximum AIR rating of 10kA at 120V AC. It features a fixed instantaneous trip, load-side lug terminal connection, and supports any phase connection. It belongs to the ED2 series and is identified by MPN ED21B030.

Where to buy the Siemens ED21B030 circuit breaker worldwide?

3G Electric supplies the Siemens ED21B030 molded case circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine Siemens components for commercial and industrial applications.

How to select the correct Siemens molded case circuit breaker for an application?

To select the correct Siemens molded case circuit breaker, verify the continuous current rating (e.g., 30 A), available fault current (AIR rating, e.g., 10kA at 120V AC), and system voltage. Confirm the frame type (ED2), trip characteristics (fixed instantaneous), and terminal connections (load-side lug). Always consult a licensed electrician for proper coordination.

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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