Circuit breakers Items 18913 - 19008 of 25224 ⍾ SIEMENS ⍾ Last modified Jun 5, 2026

IEC guide frame, frame size 1; rated current ≤2000A AC; breaking capacity M; 3-pole; connection horizontal, with two-piece shutter, interlockable any circuit breaker or non automat …

IEC guide frame, frame size 1; rated current ≤2000A AC; breaking capacity M; 4-pole; neutral pole left; flange connection, with two-piece shutter, interlockable any circuit breaker …

IEC guide frame size 1, rated current In = 2000 A, for breaking capacity H, 3-pole, with 2-piece shutter, can be locked, any circuit breaker or non automatic circuit breaker with  …

IEC guide frame, frame size 2; rated current 2000A AC; breaking capacity S, M, H; 3-pole; connection horizontal, with two-piece shutter, interlockable any circuit breaker or non au …

IEC guide frame, frame size 2; rated current 3200A AC; breaking capacity S, M, H; 3-pole; connection horizontal, with two-piece shutter, interlockable any circuit breaker or non au …

IEC guide frame, frame size 3; rated current 5000A AC; breaking capacity H; 3-pole; connection vertical, with two-piece shutter, interlockable any circuit breaker or non automatic  …

Accessory circuit breaker 3WA, External metering current sensor for N conductor, frame size 1, window type, (without copper bar)

Accessory circuit breaker 3WA, External metering current sensor for N conductor, frame size 2, window type, (without copper bar)

Accessory circuit breaker 3WA, External metering current sensor for N conductor, frame size 1, for bus bar connection (include copper bar)

Accessory circuit breaker 3WA, Internal current sensors without energy core for frame size 2, set of 3 pieces for 3-pole circuit breaker

Accessory 3WA/3WL Base part for secondary disconnect terminals

Accessory 3WA/3WL Secondary disconnect terminals SIGUT compressions screw terminals

Accessory 3WA/3WL Secondary disconnect terminals Push-in connection terminals

Accessory 3WA/3WL Coding kit for secondary disconnect terminals

Accessory 3WA/3WL Sliding disconnect secondary contact modules only for withdrawable design

Accessory 3WA/3WL Dummy block for secondary disconnect

Accessory 3WA/3WL Closing coil (CC) / Shunt trip (ST), 100% OP 24-30 V DC for continuous duty

Accessory 3WA/3WL Closing coil (CC) / Shunt trip (ST), 100% OP 110-127 V AC / 110-125 V DC for continuous duty

Accessory 3WA/3WL Closing coil (CC) / Shunt trip (ST), 100% OP 208-240 V AC / 220-250 V DC for continuous duty

Accessory 3WA/3WL Closing coil (CC) 5% OP, 24-30 V DC momentary duty, with cut-off switch, not for continuous duty

Accessory 3WA/3WL Closing coil (CC) 5% OP, 110-127 V AC / 110-125 V DC momentary duty, with cut-off switch, not for continuous duty

Accessory 3WA/3WL Closing coil (CC) 5% OP, 208-240 V AC / 220-250 V DC momentary duty, with cut-off switch, not for continuous duty

Accessory 3WA/3WL Shunt trip (ST) 5% OP, 24-30 V DC momentary duty, with cut-off switch, not for continuous duty

Accessory 3WA/3WL Shunt trip (ST) 5% OP, 110-127 V AC / 110-125 V DC momentary duty, with cut-off switch, not for continuous duty

Accessory Circuit breaker 3WA, Closing coil (CC-COM) / Shunt trip (ST-COM), 100% OP 208-240 V AC / 220-250 V DC, able to communication, ready4COM, for continuous duty

Accessory 3WA/3WL Undervoltage release (UVR) Instantaneous (0,08 s) and short-delay (0,2 s), 24-30 V DC,

Accessory 3WA/3WL Undervoltage release (UVR) Instantaneous (0,08 s) and short-delay (0,2 s), 110-127 V AC / 110-125 V DC,

Accessory 3WA/3WL Undervoltage release (UVR) Instantaneous (0,08 s) and short-delay (0,2 s), 208-240 V AC / 220-250 V DC,

Accessory 3WA/3WL instantaneous (0,08 s) and short-delay (0,2 s), 380-415 V AC,

Accessory 3WA/3WL Undervoltage release (UVR-t), with time delay 0,2-3,2 s 110-127 V AC / 110-125 V DC,

Accessory 3WA/3WL Undervoltage release (UVR-t), with time delay 0,2-3,2 s 208-240 V AC / 220-250 V DC,

Accessory 3WA/3WL Charging Motor (M) 24-30 V DC

Accessory 3WA/3WL Charging Motor (M) 110-127 V AC / 110-125 V DC

Accessory 3WA/3WL Charging Motor (M) 208-240 V AC / 220-250 V DC

Accessories for circuit breaker 3WA, auxiliary switch block (AUX) 2 NO+2 NC

Accessory Circuit breaker 3WA, Ready-to-close signaling switch S20

Accessory Circuit breaker 3WA, 1st Trip alarm switch 1 CO contact (S24)

Accessory Circuit breaker 3WA, Operations counter for electrically operated circuit breaker

Position signalling switch PSS321, module 3x connected, 2x test, 1x disconnected

Position signalling switch PSS111-COM, module for connection to communication module, 1 x connected, 1x test, 1 x disconnected includes COM connection (disconnected and absent)

Accessory Circuit breaker 3WA, Local electric close with sealing cover

Accessory Circuit breaker 3WA, Front connection DIN 43676 double hole, top, 1 piece for frame size 2 - 2500 A for circuit breaker in fixed mounted design

Accessory Circuit breaker 3WA, Front connection DIN 43682 double hole, bottom, 1 piece frame size 2 - 2500 A for circuit breaker in fixed mounted design

Accessory Circuit breaker 3WA, Front connection DIN 43676 double hole, top or bottom frame size 2 - 2500 A for circuit breaker in withdrawable design, 1 piece

Accessory Circuit breaker 3WA, door sealing frame IP41 Spare part for Z-option T40

Accessory Circuit breaker 3WA, protective cover IP55 not possible in combination with door sealing frame

Accessory Circuit breaker 3WA, Shutter, frame size 2, 3 poles not for breaking capacity C Only for repair. Shutter is included generally in every guide frame.

Accessory Circuit breaker 3WA, Arc chute, AC 1000 V frame size 2, for 1000V DC non-automatic breaker height extension included in delivery package.

Accessory Circuit breaker 3WA, Interlocking for mechanical Open/Close without lock Set each consisting of 2 transparent covers for sealing or for attaching padlocks + cover with 6. …

Accessory Circuit breaker 3WA, Interlocking for mechanical Open/Close with IKON lock Set each consisting of 2 transparent covers for sealing or for attaching padlocks + cover with  …

Accessory Circuit breaker 3WA, Locking provision against unauthorized closing Secured Open for FORTRESS OR CASTELL lock FORTRESS OR CASTELL lock the lock must be ordered at the man …

Accessory Circuit breaker 3WA, Locking provision against unauthorized closing Secured Open for RONIS lock the lock must be ordered at the manufacturer

Accessories for circuit breaker 3WA, locking provision against unauthorized closing - safe OFF assembly kit for key operation KIRK-Key lock. Spare part for Z option S06

Accessory Circuit breaker 3WA, Mutual mechanical interlocking with 2 m bowden cable for circuit breakers in withdraw- able design necessary once for each circuit breaker. Spare-par …

Accessory Circuit breaker 3WA, Coupling on the circuit breaker for mutual interlocking with bowden cable

Accessory Circuit breaker 3WA, Mutual mechanical interlocking bowden cable 4.5m

Accessory Circuit breaker 3WA, support brackets for mounting of a circuit breaker in fixed mounted design vertically only for frame size 1 or 2 contains 2 pieces

Accessory Circuit breaker 3WA, Grounding connection between guide frame a. circuit breaker. Contacting module for circuit breaker, frame size 2 4 poles not for breaking capacity C …

Accessory circuit breaker 3WA, Option Plug LSI 800 A Basic protective function LT, ST and INST, Rated current 800 A

Accessory circuit breaker 3WA, Option Plug LSI 1250 A Basic protective function LT, ST and INST, Rated current 1250 A

Accessory circuit breaker 3WA, Option Plug LSI 2000 A Basic protective function LT, ST and INST, Rated current 2000 A

Accessory circuit breaker 3WA, Option Plug LSI 2500 A Basic protective function LT, ST and INST, Rated current 2500 A

Accessory circuit breaker 3WA, Option Plug LSI 3200 A Basic protective function LT, ST and INST, Rated current 3200 A

Accessory circuit breaker 3WA, COM190 COM module PROFINET IO Modbus TCP

Accessory Circuit breaker 3WA, Breaker Status Sensor BSS200

Accessory circuit breaker 3WA, CubicleBUS terminating resistor (two versions, long version for secondary disconnect terminals, short version for CubicleBUS modules)

Accessory circuit breaker 3WA, Electronic Trip Unit ETU300 LSI / LSIG

Accessory circuit breaker 3WA, Electronic Trip Unit ETU600 LSI / LSIG

Accessory circuit breaker 3WA, Electronic Trip Unit ETU600 LSIG Hi-Z

Accessory circuit breaker 3WA, Voltage tap module VTM680, Rated voltage max. 690 V AC

Accessory circuit breaker 3WA, Option Plug LSIG GFx 1600 A Basic protective function LT, ST, INST and GF, Rated current 1600 A (Ground fault protection with extended setting rang …

Accessory circuit breaker 3WA, Option Plug LSIG GFx 1600 A, UL listed, Basic protective function LT, ST, INST, GF, Rated current 1600 A (Ground fault protection with extended setti …

Withdrawable circuit breakers with guide frame and PSS 4-pole, frame size 0, IEC N conductor on the left In=630A to 690V, 50/60Hz AC Icu=55kA at 415V Icu=50kA at 500V Icu=42kA at 6 …

Withdrawable circuit breakers without guide frame 3-pole, frame size 0, IEC In=800A to 690V, 50/60Hz AC Icu=42kA at 415V Icu=42kA at 500V ETU350 electronic trip units LSI rotary co …

Withdrawable circuit breakers with guide frame and PSS 3-pole, frame size 0, IEC In=800A to 690V, 50/60Hz AC Icu=42kA at 415V Icu=42kA at 500V ETU350 electronic trip units LSI rota …

Fixed-mounted circuit breakers 3-pole, frame size 0, IEC In=1000A to 690V, 50/60Hz AC Icu=55kA at 415V Icu=50kA at 500V Icu=42kA at 690V ETU320 electronic trip units li rotary codi …

Withdrawable circuit breakers with guide frame and PSS 3-pole, frame size 0, IEC In=1000A to 690V, 50/60Hz AC Icu=55kA at 415V Icu=50kA at 500V Icu=42kA at 690V ETU350 electronic t …

Withdrawable circuit breakers with guide frame and PSS 3-pole, frame size 0, IEC In=1000A to 690V, 50/60Hz AC Icu=66kA at 415V Icu=50kA at 500V Icu=50kA at 690V ETU650 electronic t …

Withdrawable circuit breakers with guide frame and PSS 3-pole, frame size 0, IEC In=1250A to 690V, 50/60Hz AC Icu=42kA at 415V Icu=42kA at 500V ETU350 electronic trip units LSI rot …

Fixed-mounted circuit breakers 3-pole, frame size 0, IEC In=1250A to 690V, 50/60Hz AC Icu=55kA at 415V Icu=50kA at 500V Icu=42kA at 690V ETU320 electronic trip units li rotary codi …

Withdraw. non-aut. circuit-b. with guide frame 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal without overcurrent release Motorized/manu …

Withdraw. non-aut. circuit-b. with guide frame 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal without overcurrent release Motorized/manu …

Withdraw. non-aut. circuit-b. without guide frame 4-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal without overcurrent release Motorized/m …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 15 LI protection adjustable 0.5-1 i …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 15 LI protection adjustable 0.5-1 i …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 15 LI protection adjustable 0.5-1 i …

Withdrawable circuit breaker with guide frame 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 15 LI protection ad …

WITHDRAWABLE CIRCUIT BREAKER WITH GUIDE FRAME 3-POLE, SIZE I, IEC IN=630A TO 690V, AC50/60HZ ICU=55KA AT 500V REAR CONNECTION HORIZONTAL ELECTRONIC TRIP UNIT ETU 15 LI PROT. ADJUST …

Withdrawable circuit breaker with guide frame 4-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 15 LI protection ad …

Fixed-mounted circuit breaker 3-pole, Size 1, IEC In=630 A to 690 V, 50/60 Hz AC Icu=55 kA at 500 V Rear horizontal connection Overcurrent release ETU 15 LI protection adjustable 0 …

Fixed-mounted circuit breaker 3-pole, Size 1, IEC In=630 A to 690 V, 50/60 Hz AC Icu=55 kA at 500 V Rear horizontal connection Overcurrent release ETU 15 LI protection adjustable 0 …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 25 LSI protection adjustable 0.4-1  …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 25 LSI protection adjustable 0.4-1  …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 25 LSI protection adjustable 0.4-1  …

Fixed-mounted circuit breaker 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V frnt.conn. top/bot. dual-hole Overcurrent release ETU 25 LSI protection adjustable 0.4 …