CP – Modular and compact switchgear

1 pole bi-directional high-voltage contactors, disconnectors, changeover switches for DC and AC for power converters. Rated insulation voltage up to 4,800 V, continuous thermal current up to 2,000 A.

CP1130/12 series
1 pole NO contactor for 1,200 A thermal current and 3,000 V nominal voltage with integreated pre-charging contactor
CP1130/20 series
1 pole NO contactor for 2,000 A thermal current and 3,000 V nominal voltage
CP3130/12 series
1 pole CO contactor for 1,200 A thermal current and 3,000 V nominal voltage
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With the CP series Schaltbau is introducing once more an innovative concept to the switchgear market. The arc-handling is done exclusively by permanent-magnetic blowout. This patented technology ensures fully bi-directional breaking capability and a more compact design. By reducing dimensions and weight we save you valuable space.
For the first time the universal devices can be configured as NO/NC contactor, disconnector or changeover switch. This enables us to react flexibly to changing customer requirements. The high switching functionality and reliability ensure practical and cost effective operation.
The combination of innovative technology, compact design and high versatility makes the CP power contactors particularly suitable for use in railway and industrial applications. Thanks to its unique modular design, the new product family includes a variety of possible configurations catering to a wide range of applications.

Features

Innovative Design

  • Easily configurable as NO/NC contactor, disconnector or changeover switch
  • DC bi-directional or AC up to 60 Hz max.
  • Exclusively permanent-magnetic blowout – no critical currents and low wear of main contact system thanks to effective arc-handling
  • High making capacity, also as disconnector and changeover switch
  • Low total cost of ownership, modular and compact

Main contact system

  • Conventional thermal current: 600 A/ 1,200 A/ 2,000 A
  • Nominal voltage: 1,5 kV, 3 kV
  • Double-break contacts
  • 1 pole versions

Easy maintenance

  • Toolless inspection of main contact tips
  • Toolless replacement of the arc chamber

Applications

  • Main contactor, optional with pre-charging contactor and high-voltage discharging contact for traction converters and inverters for auxiliary equipment
  • Switchgear for various mobile applications in locomotives and multiple-unit trains
  • Switchgear for various stationary applications photovoltaic systems, wind turbines, cranes, welding systems,mining
  • Switchgear for the configuration of electrical system, e.g. to select from among various energy sources, configure filter for multisystem operations or connect/disconnect DC links

A product tailored to your needs

Find your ideal switching device and configure it as NO/NC contactor, disconnector or changeover switch

Maximum modularity – whether as a contactor, disconnect switch or changeover switch: The CP series offers countless variation options and is the perfect fit for your application. A scalable power interface in combination with different extinguishing chambers according to the switching requirements make the switchgear universally applicable.
In addition to various auxiliary switch groups, a high-voltage discharge contact and/or a precharging contactor can also be integrated.

Specifications

CP series
Type of voltageDC (bi-directional), AC (f < 60 Hz)
Main contacts, configurationCP11: 1x, SPST-NO
CP21: 1x, SPST-NC
CP31: 1x, SPDT-DB
Nominal voltage Un1,500 V or 3,000V
Rated operating voltage Ue1,800 V or 3,600V
Rated insulation voltage UNm3,000 V or 4,800V
Rated impulse withstand voltage UNi15 kV or 30 kV
Pollution degree
Overvoltage category
PD3
OV3
Conv. thermal current Ith600A, 1,200A or 2,000A
Utilization categoryA2
Rated short-time withstand current Icw15 kA max., series-specific
Contact material main contactsAgSnO2
Pre-charging contactor CPP series, optional,
CP11xx­20: Integrated, factory mounting
CP11xx­12: Integrated, factory mounting
CP11xx­06: Separate, mounting on customer side
High-voltage discharging contactCPD, optional
Aux. contact4 max., w/o HV discharging contact
1x S870 (a1), 1x S870 (b0), 2x S826
4x S826
Coil voltage Us24 / 36...60 / 72...110 V DC
Mono or bistable with integrated PWM module
Coil tolerance–30% ... +25% Us
Coil power consumptionPull-in: 225 W max.@ 250 ms max.
Hold: <10 W
Coil suppressionIntegrated PWM module
(electronic coil controller with suppressor diode)
Mechanical enduranceCoil design monostable: > 1 million operating cycles
Coil design bistable: > 200.000 operating cycles
Vibration / Shock (IEC 61373)Category 1, class B
Mounting orientationHorizontal, vertical
(do not mount upside down)
IP rating (IEC 60529)IP00
Temperature range–40 °C ... +70 °C
Storage temperature–40 °C ... +85 °C
WeightSeries-specific
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CP – Modular and compact switchgear