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 AC 690 V
• Rated frequency: 50 / 60 Hz
• Rated current I_n: 2500 A
• Electronic trip unit: LSIG function, including neutral protection
• Type of mounting / connection: fixed-mounted circuit breakers / main connection on the rear, vertical
• Rated ultimate short-circuit breaking capacity I_cu:
  66 kA, at 500 V
  50 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 70 °C; when installed, the derating according to the switchgear standard DIN EN (IEC) 61439 must be taken into account

Electronic trip unit, with color display (graphics-capable),

• L: Overload protection LT
  can be switched on/off, characteristic can be switched over from I²t characteristic to I⁴t characteristic
  Current setting I_r: 0.4 to 1.0 x I_n
  Tripping time t_r (I²t): 1 to 25 s
  Tripping time t_r (I⁴t): 0.5 to 5 s
  Thermal image can be switched on/off
  Overload pre-alarm PAL can be switched on/off

• 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: 0.6 x I_n to 0.8 x I_cw
  Tripping time t_sd: 0.08 to 0.4 s
• I: Instantaneous short-circuit protection INST
  can be switched on/off
  Current setting I_i: 1.5 x I_n to 0.8 x I_cs

• Neutral protection with overload and short-circuit protection
  can be switched on/off
  Current setting I_N: 0.2 to 2.0 x I_n
  Overload pre-alarm PAL can be switched on/off

• G: Ground-fault protection GF with expanded setting range
  can be switched on/off, acquisition of the ground fault current by summation current formation in all conductors plus N-conductor (Residual), acquisition of the ground fault current by direct measurement with a current transformer (Direct), simultaneous acquisition by summation current formation and measurement with an external summation current formation,
  Characteristic can be switched from standard to I²t, I⁴t and I⁶t characteristic,
  Current setting I_g (Residual): 0.04 x In to 2000 A
  Current setting I_g (Direct): 15 A to 2000 A
  Tripping time t_g (Standard): 0 to 5 s
  Tripping time t_g (I^xt): 0 to 30 s
• Ground fault alarm
  can be switched on/off
  Current setting I_{g Alarm}: I_{g min} to 5000 A
  Alarm time t_{g Alarm}: 0 to 0.5 s

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

• Operation via PC (Windows) and smartphone/tablet (Android, iOS) via a modular USB-C and Bluetooth interface that can be deactivated
• Adjustment via rotary coding switches and/or color display and the operating keys
• Parameterizable digital input and output at the circuit breaker, can be used as a "sign-of-life contact"
• Constant self-monitoring
• Integrated self-test
• Event log with time stamp
• LED display to indicate
  Readiness for operation of the electronic trip unit
  Two-stage overload warning
  Present fault or event
  Display of the active DAS+ dynamic arc sentry of the circuit breaker
  Display of the last reason for tripping
• Mechanical reset or optional remote reset of the reclosing lockout after protection tripping
• Integrated metering function PMF-III Advanced Power Monitoring acc. to IEC 61557-12
  - Current with accuracy class 1
  - Voltage with accuracy class 0,5
  - Active energy and active power with accuracy class 1
  Measurement of current, voltage, active energy, reactive energy, apparent energy, active power, reactive power, apparent power, total power, power factor, cos phi, frequency, unbalance (current, voltage), THD-I, THD-U_LN, THD-U_LL,
  with internal voltage tap on the main current paths of the circuit breaker and metering module, including the power supply of the electronic trip unit up to rated voltage 690 V AC
• Directed protective functions: Directed short-time-delayed short-circuit protection dST and reverse power protection RP
• Enhanced protective functions: Unbalance, harmonic distortion, voltage, active power, frequency, phase sequence

• Second protection parameter set (parameter set B)

• Preparation for communication (ready4COM)

Connection of the 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), in the case of spring charging motor 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: 30000
  mechanical service life (switching cycles), with support, typical: 30000
• Main contacts with contact erosion indicator can be changed by user
• Customer-side replacement and adaptation of the electronic trip unit to changed load conditions and communication applications possible.
• 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:

• Communication via a modular Switched Ethernet PROFINET-IO/Modbus-TCP interface, both logs in one module, module can optionally be mounted on the switching device or a standard mounting rail
• Digital I/O module with 2 parameterizable inputs and 3 parameterizable outputs, module can optionally be mounted on the switching device or on a standard mounting rail
• Sealable cover and safety lock for operation protection

• 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