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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.

Q120DF

This circuit breaker is designed to connect easily with a plug-in configuration and operates with a trip mechanism that utilizes both thermal and magnetic principles. The maximum interrupting capacity

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5.0

BF215AH

This ground fault circuit breaker ensures reliable performance with a 22 kA interrupt rating at 240 V. It is designed for panel mounting with a secure bolt-on connection. Operating temperatures range

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5.0

B330H

Designed for three-pole configurations, the B330H functions with a thermal/magnetic trip mechanism and is rated for use at 240 V AC. It can accommodate wire sizes ranging from 14 to 6 AWG and offers a

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5.0

MBKFD3A

This mounting kit is designed for use in various applications with a maximum operating temperature of 40°C and a minimum of 0°C. It accommodates humidity levels up to 80% non-condensing for both opera

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5.0

B2125

This circuit breaker operates on a 1-phase system. The B2125 features UL and CSA certifications, ensuring compliance with industry standards. It comes with a thermal magnetic trip unit for reliable pr

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5.0

B380H00S01

This 3-pole circuit breaker features a thermal-magnetic trip unit and is suitable for 60 Hz operation. It accepts load lug terminals for connectivity and operates over an ambient temperature range up

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5.0

MBK150

As part of the SpeedFax series, this circuit breaker features a durable NEMA 3R enclosure designed to resist environmental influences. It is constructed with a robust steel housing and has an interrup

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5.0

MBK200

This circuit breaker is a two-pole unit capable of handling 200A. It operates under a frequency of 50/60 Hz and has an interrupting rating of 22 AIC. The MBK200 can be connected using either a plug-in

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5.0

B230GFH

This circuit breaker includes two poles and utilizes a bolt-on connection type for secure installation. It is equipped with both long time and instantaneous trip functions, providing flexibility for d

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5.0

B27000S01

This circuit breaker features two poles and is designed for single-phase systems. It uses a thermal magnetic trip type combined with a shunt trip mechanism (LI) and has an interrupting capacity rating

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5.0
Showing 1-10 of 118 results