SIEMENS Bolt On Miniature Circuit Breakers

UL-listed and CSA-certified miniature circuit breakers designed for use with Siemens panelboards to provide short-circuit and overload protection to electrical circuits. Feature instantaneous and long-time trip functions and a bolt-on connection. Available in maximum current and voltage ratings of 2000 A and 600 V, respectively

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 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 SJD Series circuit breakers are designed for reducing risks of damage caused by faulty current supplies and fatal electrical shocks. These devices are calibrated at an ambient temperature of 40 degrees C and feature a bolt-on mounting design which can accommodate aluminium and copper wires of different sizes. They are capable of delivering a maximum current rating of 400A at an interrupt capacity of 35kA 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 SMD Series circuit breakers are designed for limiting let-through current for protecting downstream components in power distribution applications. These molded case circuit breakers feature a bolt-on design for ease-of-installation & wiring, and solid state components for long-term durability & quick response against faulty currents. Selected models feature short time, instantaneous & long time trip functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. These 3 pole, 800A circuit breakers are available 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.

Siemens JD Series circuit breaker trip units are designed to interrupt circuits exceeding the ambient operating temperature. These devices feature a non-interchangeable, thermal-magnetic trip mechanism offering both instantaneous and time-delayed current limiting functions. They are suitable for use with JD, HJD, HJXD, HHJD, HHJXD Series molded case circuit breakers and are available in amperage ratings of 200A, 225A, 250A and 400A on Raptor Supplies.

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 ND Series interrupt the current flow and protect downstream components from severe overload and short circuit conditions. These Sentron Series trip units feature a thermal magnetic trip for providing both instantaneous and long time current limiting protection. They are suitable for use with Siemens ND & HND molded case circuit breakers for maximum efficiency. These trip units feature a 3 pole design with ND-T type frame for added versatility and are voltage rated at 600V. ND Series trip units are available in 1000A & 1200A current ratings on Raptor Supplies.

Siemens LD Series trip units are designed to facilitate both low and high interrupting capacity requirements for the protection of industrial equipment. These devices are suitable for use with JD, HJD, HJXD, HHJD, HHJXD Series molded case circuit breakers and feature a thermal magnetic trip unit providing long-time and instantaneous current limiting functions. Choose from a wide range of these circuit breaker trip units available in amperage ratings of 450A, 500A and 600A 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 SHMD Series circuit breakers are designed to protect the sensitive circuits from excessive current flows causing overloads or short circuits. These circuit breakers feature LI (long time and Instantaneous trip) functions for current limiting protection and are equipped with solid state protection mechanisms to electronically control the current flow and to provide an advance safety for appliances. These UL-listed circuit breakers provide a maximum current rating of 800A at an interrupting capacity of 65kA at 480VAC.

Siemens SHJD Series circuit breakers are designed for providing protection against overloads and short-circuit conditions to prevent electrical hazards. These devices feature a thermal-magnetic trip for delivering both long-time and instantaneous current limiting functions and a bolt-on mounting facility for compatibility with panelboards and switchboards. They are further integrated with solid-state protection mechanisms to electronically control the current flow and provide advance safety for sensitive appliances. These UL-listed breakers provide a maximum current rating of 400A at an interrupt capacity of 35kA at 480VAC.

Siemens ED4 Series circuit breakers protect electrical devices against overcurrent and short circuit conditions. They feature a thermal magnetic trip for providing both instantaneous & long time current limiting protection, bolt-on mounting facility for ease of installation and load side lugs accommodating copper or aluminium wires. These 2 / 3 pole units deliver interrupting capacities of 18kA@240V / 18kA@480V, respectively. These ED-frame circuit breakers are available in current ratings ranging between 20A & 125A 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 circuit breakers, in HFD / HFXD frame, are designed to prevent damage to an electric circuit due to excessive current flow. These devices feature a 3-phase configuration with a thermal-magnetic trip facility to avoid tripping on mild overloads while instantaneously responding against severe power surges. They come in a bolt-on mounting design that ensures hassle-free installation and accommodates aluminium or copper wire connections in varied sizes. Choose from a wide range of these circuit breakers available in amperage ratings ranging from 70 to 250A 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 HHFD Series circuit breakers are designed to protect industrial machinery and equipment from damages caused by short-circuit and overload occurrences. These UL-listed breakers come with a molded case to hold the current-carrying components, trip devices and other mechanisms within a compact space. The thermal-magnetic trip mechanism of these devices overrides mild current overloads but instantly responds to heavy fluctuations for user safety. They further come with a bolt-on mounting facility to offer compatibility with panelboards and switchboards. Choose from a wide range of these Siemens circuit breakers available in current ratings ranging from 110 to 250A, on Raptor Supplies.