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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.

MBK175A

This product features two poles and offers various trip functions, including long-time, short-time, and instantaneous. It has a thermal magnetic protection mechanism and an interrupt rating of 22 kAIC

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5.0

B340H

Rated for 40 A, the molded case circuit breaker includes three poles and employs a thermal magnetic trip mechanism for overcurrent protection. It supports bolt-on connections and accepts wire sizes fr

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B360HH00S01

This three-pole circuit breaker employs a toggle actuator and provides long-time and instantaneous trip functions. With thermal magnetic protection, it ensures circuit safety under various operational

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BQ3B070

This circuit breaker boasts three poles and includes a thermal magnetic trip mechanism to handle long-time overloads and instantaneous short circuits. It features an interrupting capability of 10 kA a

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B120H00S01

This molded case circuit breaker features a toggle actuator for easy operation and is mounted using a bolt-on design. It has a thermal magnetic trip type for reliable protection against overloads and

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B215H00S01

This two-pole circuit breaker utilizes a fixed trip unit with both long-time and instantaneous trip functions. With a design voltage of 240 V and an operating frequency of 60 Hz, it employs a bolt-on

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B220EG

This circuit breaker functions efficiently within a temperature range of 0°C to 40°C for both operation and storage. It can endure humidity levels up to 80% without condensation, and is rated for inst

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B23000S01

This circuit breaker provides functions including long-time and instantaneous trips, incorporating thermal protection for enhanced safety. It is designed for bolt-on mounting and operates effectively

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B330H00S01

This circuit breaker is configured for three poles and is rated for use in three-phase systems. It has a fault interruption capacity of 22 kA, ensuring reliability in fault conditions. The thermal-mag

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B350H

With a mounting style designed for bolt-on installation, the B350H has three poles and is suitable for systems rated at 120/240V AC. It can accommodate copper wire sizes up to #6 AWG and aluminum wire

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Showing 11-20 of 118 results