Free UPS Ground on All Orders!
+1 (919) 205-4392
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.
Learn more

Browse SpeedFax

Browse available units in our catalog of SpeedFax.

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

Call
5.0

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

Call
5.0

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.

Call
5.0

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

Call
5.0

B38000S01

This breaker features three poles and is housed in a BL frame type. It can interrupt currents up to 10 kA at 240 VAC. The device is designed to function reliably at an operating humidity level of 80%

Call
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

Call
5.0

BA120AFCH

This device is a single-pole breaker suitable for panel mounting. It has a voltage rating of 120/240 Volts AC. The thermal magnetic trip unit ensures reliable tripping in overload situations, with lon

Call
5.0

BE240

This circuit breaker features a toggle handle for operator interface and consists of a two-pole design. It is compatible with P-Series Panels and offers a short circuit rating of 10kA at 240V AC. The

Call
5.0

BE250

This 1-phase circuit breaker utilizes a bolt-on connection type and has an interrupt rating of 10 kA at 240 VAC. The trip sensitivity level is set at 30 mA, ensuring effective ground fault protection.

Call
5.0

RD63T160

Featuring three poles, this trip unit is designed with thermal magnetic protection, and it is part of the RD Frame type. It has an impressive interrupt rating of 50 KAIC at 480 V and 25 KAIC at 600 V,

Call
5.0
Showing 41-50 of 118 results