Bolt On Miniature Circuit Breakers

Siemens MD Series circuit breaker trip units are designed for protecting electrical appliances and are used in conjunction with branch circuit protection while connected with external devices. These Sentron Series trip units feature a thermal-magnetic, non-interchangeable trip overriding mild overloads while instantly reacting to severe current spikes for maximum current limiting protection. They are suitable for use with Siemens MD & HMD molded case circuit breakers for maximum efficiency. These trip units feature a 3 pole design with MD-T type frame for added versatility and are voltage rated at 600V. MD Series trip units are available in current ratings ranging between 500A & 800A on Raptor Supplies.

Siemens RD Series circuit breaker trip unit are designed to facilitate both low and high interrupting capacity requirements for the protection of industrial equipment. These devices are suitable for use with RD and HRD Series molded case circuit breakers and feature a thermal-magnetic trip unit providing long-time and instantaneous current limiting functions against overloads or short-circuit conditions. Choose from a wide range of these trip units available in 1600, 1800 and 2000A current ratings on Raptor Supplies.

Siemens CLD Series circuit breakers protect electrical equipment against short circuit and overload conditions. They feature a thermal-magnetic trip unit allowing instantaneous and long time current limiting protection. They are integrated with bolt-on mounting for reducing installation time and are suitable for branch feed applications. These UL-listed circuit breakers feature a 3-pole design and deliver a high interrupting capacity of 150kA at 480VAC. These LD frame circuit breakers (with current ratings varying from 225A to 400A) are available on Raptor Supplies.

Siemens QPJ Series circuit breakers are used for protecting control panels, switchboards and motor control centres against current overloads and short-circuit conditions. These UL-listed breakers feature a thermal magnetic trip for providing both instantaneous and long-time current limiting functions. They are designed to deliver a maximum interrupting capacity of 10kA at 240V and are suitable for reverse feed applications. Choose from a wide range of these circuit breakers, available in 125, 150 and 200A current ratings on Raptor Supplies.

Siemens HED Series circuit breakers interrupt current blow and protect electrical circuits against overloads and short-circuits, making them ideal for switchboards, lighting & panel boards and loadcentres. They feature a thermal magnetic trip unit providing instantaneous & time delayed current limiting protection and bolt-on mounting design to accommodate aluminium & copper wires. These circuit breakers allow ground fault protection against electrical shocks. HED Series circuit breakers are available in an amperage ratings of 15 to 125A on Raptor Supplies.

Siemens HHED Series circuit breakers are used in electrical distribution systems and panel boards to protect against overloads and short circuits. These circuit breakers safeguard electrical equipment, appliances and wiring from damage caused by excessive currents. They can be operated at voltages up to 600V. These circuit breakers have thermal and magnetic trip units, providing both long-time and instantaneous protection functions. They feature feed-through connection configuration, allowing current to pass through the breaker. These circuit breakers are available in 2 & 3-pole configurations.

Siemens LD/LXD Series circuit breakers are designed to facilitate both low- and high-interrupting capacity requirements for protecting industrial equipment. These devices feature a thermal magnetic trip unit providing long time and instantaneous current limiting functions against current overloads or short-circuit conditions. They are further integrated with a bolt-on mounting design which can accommodate aluminium and copper wires of different sizes. Choose from a wide range of these bolt-on circuit breakers, available in 2- and 3-pole configurations on Raptor Supplies.

Siemens circuit breakers, with standard interrupting capacities, are designed to protect the sensitive components from excessive current flows causing overloads or short circuits. These devices feature feed-thru configuration which easily mounts into all kinds of panelboards and switchboards and are calibrated at an ambient temperature of 40 degrees C. They feature a thermal magnetic trip unit which delivers both long-time and instantaneous current limiting functions and are available in 500A, 600A and 800A current ratings on Raptor Supplies.

Siemens QJ Series circuit breakers are used with branch circuit protection to protect electrical appliances. These UL listed breakers feature a thermal magnetic trip for both instantaneous and long-time overcurrent protection. They provide bolt-on mounting to accommodate aluminium / copper wires and have a QJ type frame. They come in a 3 pole design and operate at a fixed voltage rating of 240V. QJ Series circuit breakers are available in current ratings between 100A & 175A on Raptor Supplies.

Siemens SCND Series circuit breakers are specially designed to provide electric circuit protection against damages caused by overloads and short-circuit conditions. These devices are calibrated at an ambient temperature of 40 degrees C and feature a non-interchangeable trip capable of resisting mild overloads while instantly responding to severe current surges. They are further integrated with a bolt-on mounting design to ensure ease-of-installation in compact spaces and deliver a maximum interrupt capacity of 65kA at 480VAC. Choose from an extensive array of these circuit breakers available in 800 and 1200A current ratings on Raptor Supplies.

Siemens SHLD Series circuit breakers are designed for protecting electrical equipment against short-circuit and current overload conditions. These UL-listed breakers feature a bolt-on mounting design to ensure ease-of-installation in compact spaces and a thermal-magnetic trip for delivering long-time and instantaneous current limiting functions. Choose from a wide range of these bolt-on circuit breakers, available in 500 and 600A current ratings on Raptor Supplies.

Siemens SHND Series circuit breakers are used for providing protection against current overloads and short-circuit conditions in control panels, switchboards and motor control centres. These UL-listed breakers feature a bolt-on mounting design ensuring smooth installation in compact spaces and LI (long time and instantaneous) current limiting function at a maximum interrupt capacity of 65kA at 480VAC.

Siemens bolt on circuit breakers protect electrical circuits & connected equipment against short circuits & flow of high magnitude currents for manufacturing facilities, processing plants & power distribution applications. These solid state breakers are ideal for reverse feed operations and feature long time & instantaneous trip functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. They come with load & line side lug terminals for ease-of-wiring while eliminating loose connections. SLD frame molded case circuit breakers are available in 500 & 600A current ratings on Raptor Supplies.

Siemens FD Series circuit breakers are ideal for industrial switchboards, as well as lighting & control panels for protection against current surges & overloads. These UL-listed circuit breakers feature thermal magnetic trip for long time and instantaneous trip functions during severe short circuit conditions while avoiding nuisance tripping in mild fluctuations. They come equipped with line & load lug terminals ensuring hassle-free wiring arrangement and provide support against extreme vibration. Sentron Series circuit breakers are available in current ratings ranging from 70 to 250A on Raptor Supplies.