SENTRON protection and switching devices

• Optional top or bottom infeed thanks to identical terminals
• Convenient entry thanks to large and easily accessible wiring space
• Rapid manual removal from the busbar assembly
• Vibration- and shock-proof in accordance with DIN EN 61373 and DIN EN 50155 "1B"
• Applicability at ambient temperatures from –40 °C to +70 °C, with max. humidity of 95 %
• Rated switching capacity: 10 kA AC

Vibration resistance:

• According to IEC 60068-2-6. 50 m/s² with 25 to 150 Hz, and 60 m/s² with 35 Hz (4 sec)
• According to EN 61373 Category 1, Class B

• Optional top or bottom infeed thanks to identical terminals
• Convenient entry thanks to large and easily accessible wiring space
• Rapid manual removal from the busbar assembly
• Vibration- and shock-proof in accordance with DIN EN 61373 and DIN EN 50155 "1B"
• Applicability at ambient temperatures from –40 °C to +70 °C, with max. humidity of 95 %
• Rated switching capacity: 10 kA AC and 1 kA DC

Vibration resistance:

• According to IEC 60068-2-6. 50 m/s² with 25 to 150 Hz and 60 m/s² with 35 Hz (4 sec)
• According to EN 61373 Category 1, Class B

• 5ST3 add-on components: can be combined with 5SY MCBs and 5SU1 RCBOs
• Signaling of the miniature circuit breaker’s contact position by the auxiliary switch (AS) – released by hand or due to fault
• Auxiliary switch version with test button for testing of the control circuit without switching of the miniature circuit breaker
• Rated switching capacity: 60 A
• Ambient temperatures: –25 °C to +55 °C
• Climate resistance: according to IEC 60068-2-30 28 cycles

• Enhanced comfort and safety due to improved design
• Comprehensive uniform accessories for additional functions
• Consistent busbar system concept for all RCCBs with N connection on the right or left
• Easy removal of individual equipment from the linked assembly
• Rated residual current: 30, 300 mA
• Quick and easy replacement thanks to fast manual removal of the RCCBs from the assembly

• Clear, visible and controllable connection of the supply line
• Convenient entry thanks to large and easily accessible wiring space
• Peak withstand current (> 1 kA) for safe operation
• Retrofitting of add-on components for miniature circuit breakers on the right side
• Rated residual current: 10, 30, 300 mA, rated current: 6 to 40 A
• Width: 2 WU

For all 10 kA versions up to 40 A:

• Full insulation through integrated, movable terminal covers in the area of conductor entries
• Replacement time savings thanks to rapid manual removal of the miniature circuit breakers from the assembly when changing the connections

• The marketsʹ most modular system
• Easy selection between manual / off / RC mode
• Easy connection to RCBOs, RCDs, MCBs, and other devices with adapters
• Rated voltages: 12 ... 30 / 177 ... 270 V AC or 12 ... 48 V DC
• Width: 2 WU
• Applicability at ambient temperatures from –40 °C to +70 °C
• Climate resistance: according to IEC 60068-2-30 28 cycles
• Vibration resistance: according to IEC 60068-2-6. 50 m/s² with 10 to 150 Hz

• Fuse links with combined indicator: fuse disconnection signaled by color change from red to white
• Insulated metal grip lugs embedded in upper and lower cover of the fuse link in plastic – for increased safety during replacement
• Imprinted sign for insulated grip lugs
• Rated breaking capacity: 25 kA DC
• Rated current: 2 to 315 A
• Contact blade: corrosion-free, silver-plated
• Climatic withstand capability: –20 °C up to +50 °C with 95 % relative humidity

• Made of ceramic for screw mounting
• With flat connections, screw
• Weight per product unit: 0.217 kg

• Extremely safe switching and long service life due to vacuum design
• Many years of manufacturing experience, with more than 5 million interrupters supplied
• Customer-specific development according to OEM customer requirements
• High product variance for different switching applications

Use in:

• Medium- and low-voltage switching devices
• Medium-voltage contactors, circuit breakers, load-break switches and switch disconnectors for railway applications

• Rated voltages up to 27.5 kV, frequencies of 16.7 – 60 Hz, rated current up to 2500 A
• Rated short-circuit breaking current up to 50 kA
• 1-, 2- and 3-pole version
• Vertical pole assembly fixed to operating mechanism via post insulators

Customer benefits:

• Compact & high mechanically stable design
• Various additional equipment available
• Economical integration
• Competent consultation by our experts