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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.

B340H00S01

This molded case circuit breaker features three poles and provides both overload and short circuit protection. With a thermal magnetic trip mechanism, it has an interrupting capacity of 22 kA at 240V.

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B350HH

Designed for a three-phase setup, the B350HH is a bolt-on circuit breaker suitable for panelboarding applications. This device features thermal-magnetic trip technology and operates at both 50 and 60

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B250H00S01

This panel-mounted MCCB features two poles and is equipped with thermal magnetic protection. The B250H00S01 model has an interrupt rating of 22 kA at 240 volts, ensuring reliable performance in critic

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5.0

B290HH

This circuit breaker features a two-pole configuration and is equipped with a thermal magnetic trip mechanism. It can handle an interrupt rating of 65 AIC, ensuring dependable circuit protection. The

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B31500S01

This circuit breaker is designed for use at a system voltage of 240 Volts AC and operates at a frequency of 60 Hertz. It utilizes a thermal-magnetic trip unit for effective overload protection and inc

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B320H

This breaker is designed with a 3-pole configuration and a mounting method that supports panel installation. The B320H handles wire sizes ranging from 14 to 10 AWG for copper and 12 to 10 AWG for alum

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B34500S01

This three-pole breaker is housed in a BL frame type. It operates effectively across temperatures ranging from 0°C to 40°C, both in storage and during operation.

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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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B350H00S01

The Siemens B350H00S01 breaker is designed for 3-phase applications and features a bolt-on connection type. It guarantees stability across temperatures from 0°C to 40°C. This unit includes a shunt tri

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B360H00S01

This circuit breaker has a maximum voltage rating of 120/240 VAC and operates using a thermal magnetic protection mechanism. Designed for panelboard applications, it includes 3 poles and utilizes a bo

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Showing 41-50 of 118 results