RCCB 4P 25A 300mA AC Residual Current Circuit Breaker SR6HM

Technical data:

  • Type: AC
  • Rating current: 25A
  • Name-rated differential current A: 300mA
  • Name-rated residual current switching capacity A: 500
  • Triggering time: 0.1 s
  • Voltage surge resistance U imp: 6000V
  • Short-circuit resistance Inc: 6000
  • Pollution degree: 2
  • Rating voltage Ue: 230V
  • Rated insulation Ui: 500V
  • Current frequency Hz: 50/60
  • Electrical life: 4000
  • Mechanical life: 4000
  • Operating position indicator: yes
  • Protection rating: IP 20
  • Storage temp: -30/+70°C
  • Operating temperature: -30/+50°C
  • Maximum cross-section of connecting wires:25 mm2
  • Tightening torque of connecting terminals: 3Nm
  • Connectivity with comb rails: yes


  • A/AC type residual current circuit breaker: (colloquially differential, circuit breaker, residual current fuse (English acronyms RCD are in use) is an electrical protective device that disconnects a circuit when it detects that the electrical current flowing out of it is not equal to the incoming current.
  • It is used to protect people against electric shock from direct and indirect contact, and it also limits the effects of damage to equipment and other unwanted events, including - but not limited to - the possibility of fire.
  • A/AC type residual current circuit breakers are used in electrical circuits supplied with 50/60 Hz current with a rated voltage of 230 V for two-pole circuit breakers and 400 V for four-pole circuit breakers and a rated current of 25 A to 63 A.
  • The circuit breaker provides safe and easy mounting on a TH35 rail with plastic clips.
  • The SR6HM type A/AC line residual current circuit breakers are manufactured in accordance with IEC/EN 61008-1. To improve operational safety, they are equipped with an easy-to-read trip indicator.
  • The type A/AC line residual current circuit breakers are equipped with a TEST button for checking the internal operation of the device - a test should be performed every 30 days.
More Information
Number of Phase3-phase
Width In Number Of Modular Spacings4.00
IP CodeIP20
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