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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

HF365JA

This safety switch operates at a maximum voltage of 600 VAC and consists of three poles. Constructed from durable steel, it features a NEMA 12 enclosure suitable for a range of environments. With spec

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5.0

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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MBKJD3B

This mounting kit employs a strap mount style, suitable for panelboard interiors. Rated for 50/60 Hz frequency operation, it includes bolt-on bus connections for secure attachment. Manufactured from s

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B320H00S01

This molded case circuit breaker has three poles and is equipped with a thermal magnetic trip mechanism. It includes unique shunt trip capabilities at 120 volts, and is rated for an interrupt capacity

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5.0

B330HH

Designed with three poles, the B330HH operates at 60 Hertz and includes a thermal-magnetic trip unit. It provides a comprehensive trip function of long-time overload protection combined with instantan

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5.0

B330HH00S01

This circuit breaker is designed for three-phase applications and supports both long-time and instantaneous trip settings. It has an interrupt rating of 65 kA at 240 V and utilizes busbar connections

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5.0

B345HH

This 3-pole circuit breaker supports bolt-on panel connections and is equipped with a load side lug for output connections. It utilizes a fixed trip unit style, employing thermal-magnetic technology w

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5.0

B370H

This circuit breaker features a thermal-magnetic trip technology that provides overcurrent protection. It has a 22 kA interrupt rating at 240 V which ensures adequate safety during fault conditions. T

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5.0

B390H00S01

Rated for a current of 90 A, this circuit breaker operates efficiently at voltages of 120/240 VAC. It comprises three poles for three-phase systems and features thermal magnetic protection for compreh

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Showing 71-80 of 118 results