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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.

B390H

This circuit breaker incorporates three poles along with long time and instantaneous trip functions. Its interrupting capacity stands at 22 kAIC at 240 VAC, and it features a bolt-on connection type a

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BE120

This device is a single-pole circuit breaker designed for 1-phase applications. It boasts an interrupt rating of 10 kA at 120 Volts AC and has a thermal magnetic trip unit with a trip sensitivity of 3

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BQ3B040

This circuit breaker operates across three poles and is equipped with a bolt-on connection type. Approval from both UL and CSA ensures compliance with industry standards. It includes a finger-safe ter

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BQ3B100

This circuit breaker features three poles and supports an ambient temperature of up to 40 °C. It is designed for installations at altitudes of up to 2000 m. The housing is constructed from durable bla

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MBKFD3150A

This mounting kit allows bolt-on installation and supports thermal magnetic protection. It features three poles and provides an interrupting capacity of 65 kAIC at 240 VAC and 35 kAIC at 480 VAC. The

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B230EG

Designed as a two-pole, single-phase circuit breaker, the B230EG has an interrupt rating of 10 kA. This unit mounts onto a panelboard using a bolt-on connection and features overcurrent protection wit

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B240H00S01

This circuit breaker is rated for 240 V and has a two-pole design. It offers thermal and magnetic trip unit types, making it suitable for various applications. The breaker provides a 22 kAIC interrupt

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B29000S01

This circuit breaker features a thermal magnetic protection mechanism and supports long-time and instantaneous trip functions. With two poles, it is suitable for single-phase systems. The rated interr

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B315H

The B315H circuit breaker operates under a voltage rating of 240 V and is compliant with UL 489 standards. With a 3-pole configuration, this breaker is suitable for panelboard mounting. It offers rate

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B325HH

This breaker has a thermal magnetic trip type, offering reliable protection against overloads and short circuits. The rated current is 25 A, and it is built on a BL frame, ensuring solid construction.

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Showing 71-80 of 118 results