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SpeedFax

Siemens SpeedFax

The Siemens SpeedFax series is a series of panelboards and circuit breakers. This series includes both lighting and distribution panels. Some SpeedFax panels can be converted from top-feed to bottom-feed panels, or vice versa. Some support a wide range of fuses. The SpeedFax series also includes cables. The circuit breakers available in the SpeedFax series include branch circuit breakers that provide branch circuit protection. Other available circuit breakers include electronic circuit breakers with 1 pole or 2 poles. The SpeedFax series also includes spare parts, such as neutral kits, breaker mounting kits, and lug kits.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Browse SpeedFax

Browse available units in our catalog of SpeedFax.

BF215A

This unit uses a trip sensitivity of 5 mA for effective ground fault detection. It provides robust protection through long time overload and instantaneous short circuit features. Installation is simpl

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5.0

BF250AH

This circuit breaker, part of the SpeedFax series, has a rated current of 50 A and provides an interrupt rating of 22 kA at 240 V AC. It operates within humidity levels of up to 80% and can be install

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5.0

BF260A

This model features two poles and is designed with a bolt-on or plug-in connection method. The interrupt rating stands at 10 kA at 240 volts AC, making it suitable for various protection scenarios. It

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5.0

BF260AH

This circuit breaker features a 22 kAIC interrupt rating and a short-circuit rating of 22 kA at 240 V, ensuring reliable fault protection. It supports a residual current sensitivity of 5 mA and is des

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5.0

BQ3B040H

This circuit breaker includes three poles and supports a thermal magnetic trip type for effective overload and short-circuit protection. Connections are made via lug termination with a bolt-on configu

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5.0

BQ3B080

This model contains three poles and provides both long-time and instantaneous trip functions for enhanced protection. With an interrupt rating of 10 kAIC at 240 volts, it handles fault conditions effe

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5.0

BQ3B090

This circuit breaker is designed with three poles and utilizes a BQ frame for enhanced stability. It supports bolt-on connections for easy installation while featuring a toggle actuator for user contr

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5.0

LGG3B080L

Belonging to the SpeedFax series, the LGG3B080L features three poles and a feed-thru connection type for straightforward integration. It includes a 65 KAIC interrupt rating at 480 V, alongside a toler

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5.0

MBK125

Designed for 1-phase systems, the MBK125 features two poles and has an interrupt rating of 22 kA for effective overcurrent protection. Its rated frequency is 60 Hz, and it is constructed from durable

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5.0

MBKVA41B

This kit is designed for operating temperatures ranging from 0°C to 40°C and maintains performance in an 80% humidity environment. It is specified for installation at an altitude of up to 1000 meters

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5.0
Showing 101-110 of 118 results