Air circuit breaker according to IEC 60947-2, DIN VDE 0660 Part 101, IEC 60068-2-30

• Number of poles: 3
• Rated operational voltage U_e: up to 690 V AC
• Rated frequency: 50 / 60 Hz
• Rated current I_n: 3200 A
• Electronic trip unit: LSIG function, including neutral conductor protection
• Type of mounting / connection: withdrawable circuit breaker / main connection on the rear, vertical
• Rated ultimate short-circuit breaking capacity I_cu:
  85 kA, at 500 V
  66 kA, at 690 V
• Permissible ambient temperature (for device including all accessories and electronic components): -40 °C to 70 °C
• No derating up to an ambient temperature of 60 °C; when installed, the derating according to the switchgear standard DIN EN (IEC) 61439 must be taken into account

Electronic trip unit, without display,

• L: Overload protection LT
  activated, I²t characteristic
  Current setting I_r: 0.4 to 1.0 x I_n
  Tripping time t_r (I²t): 0.75 to 25 s
  thermal memory activated

• S: Short-time delayed short-circuit protection ST
  can be switched on/off, characteristic can be switched over from standard to I²t characteristic
  Current setting I_sd: 1.5 to 10 x I_r, max. 0.8 x I_cw
  Tripping time t_sd: 0.08 to 0.4 s
• I: Instantaneous short-circuit protection INST
  activated
  Current setting I_i: 1.5 to 15 x I_n, max. 0.8 x I_cs

• Neutral conductor protection with overload and short-circuit protection
  activated
  Current setting I_N: 1.0 x I_n

• G: Ground-fault protection GF with expanded setting range
  activated, acquisition of the ground-fault current by summation current formation in all conductors plus N-conductor (Residual), simultaneous acquisition by summation current formation and measurement with an external current transformer,
  Current setting I_g (Residual): 0.2 x I_n, min. 100 A, max. 1200 A
  Tripping time t_g (Standard): 0.2 s

• DAS+ (Dynamic Arc Sentry): Maintenance mode for protection of operating and maintenance personnel

• Setting with rotary coding switch
• Integrated self-test
• LED display to indicate
  Readiness for operation of the electronic trip unit
  Two-stage overload warning with adjustable alarm threshold
  Present fault
  Display of the active maintenance mode DAS+ of the circuit breaker
  Display of the last reason for tripping
• Mechanical reset or optional remote reset of the reclosing lockout after protection tripping

Connection of auxiliary and control circuits with push-in technology

Please select operating mechanism, auxiliary switches and auxiliary releases according to requirements:

Operating mechanism, auxiliary switch (AUX): manual operating mechanism with mechanical or electrical closing, 2 NO + 2 NC, integrated ready-to-close signaling switch (1 NO), motorized operating mechanism with integrated spring charge signaling switch (1 NO), with trip alarm switch (1 CO)

Closing coil, remote trip alarm reset coil: without closing coil CC, without remote trip alarm reset coil (RR)

1st auxiliary release: without first shunt release ST

2nd auxiliary release: without second auxiliary release UVR / ST2

• Service life (including all installed components and accessories):
  electrical endurance (switching cycles), at 690 V, with support, typical: 20000
  mechanical service life (switching cycles), with support, typical: 20000
• Main contacts with contact erosion indicator can be changed by user
• For withdrawable breakers:
  Integrated position signaling switch
  Rated current coding unit between circuit breaker and guide frame
  Shutter on guide frame
  Crank handle installed captively in the circuit breaker

Options or features that can be expanded by the customer, please select according to requirements:

• Function extension possible through replacement of electronic trip unit
• Sealable cover and safety lock for operation protection of the electronic trip unit

• Product-specific CAx data that is accurate in every detail can be retrieved via online configurator
• Fully configured, individual Eplan macros, circuit diagrams and 3D data for engineering support