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Danfoss Contactors CI Series

Danfoss Contactors CI Series

Danfoss contactors CI range CI4, CI5, CI6, CI9, CI12, CI15, CI16, CI20, CI25, CI30 and CI61 up to CIEI420 which includes mini contactors from 2.2. to 4 kW and control relays/ contactors from 2.2 to 238 kW.

The Danfoss mini contactor CI 4-5 (Now replaced by CI 5) was a small, compact unit, typically with 3 NO main contacts and a built-in normally open (NO) or normally closed (NC) auxiliary contact.
Operation, overload protection and phase failure protection of induction motors are typical applications for the mini contactor, combined with a thermal overload relay.

The contactor programme CI 6-50 is based on three frame sizes. The smallest frame size consists of CI 6-15 (2.2-7.5 kW), the middle contains the CI 16-30 range (7.5-15 kW) and the largest frame size is represented by the CI 32-50 (15-25 kW). All frame sizes are provided with three NO main contacts. CI 6-15 are available with four NO main contacts.
A long electrical lifetime makes the CI 6-50 contactors suitable for operation of all kinds of electrical loads in modern industry. Combined with a thermal overload relay, the contactor switches and protects induction motors against overload and asymmetric load.
A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 6-50 programme very flexible and suitable both for OEMs and panel builders.

The contactor programme CI 9 DC - 30 DC is based on two frame sizes. The small frame size consists of the CI 9 DC - 15 DC (4-7.5 kW), and the CI 25 DC - 30 DC range (11-15 kW) uses the large frame size. Both are equipped with three NO main contacts.
Typical applications are lifts, transport cooling and refrigeration, where control voltage is dc and a high inrush current is no problem. Combined with a thermal overload relay, a DC contactor switches and protects induction motors against overload and asymmetric load.
A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 6-50 programme very flexible and suitable both for OEMs and panel builders.

The contactor programme CI 9 EI - 30 EI is based on two frame sizes. The small frame size consists of the CI 9 EI - 15 EI (4-7.5 kW), and the CI 25 EI - 30 EI range (11-15 kW) uses the large frame size. Both are equipped with three NO main contacts. Applications include all kinds of 24 V dc output PLC controlled systems.
A long electrical lifetime makes the CI 9 EI - 30 EI contactors suitable for operation of all kinds of electrical loads in modern industry. Combined with a thermal overload relay or an electronic motor protection relay, the contactor switches and protects induction motors against overload and asymmetric load.
A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 9 EI 30 EI programme very flexible and suitable both for OEMs and panel builders.

The contactor programme CI 61-86 consists of one frame size with three NO main contacts. Coils are standard for dual frequency.
A long electrical lifetime makes the CI 61-86 contactors suitable for operation of all kinds of electrical loads in modern industry. Combined with a thermal overload relay, the contactor switches and protects induction motors against overload and asymmetric load.
A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 61-86 programme very flexible and suitable both for OEMs and panel builders.

The contactor programme CI 105-141 consists of one frame size with three NO main contacts and one auxiliary contact block with one NO and one NC auxiliary contact. Spare contacts are available and by maintenance, the moveable system blocks when removing the chamber. By replacing contacts, wire separation from terminals is not necessary.
A long electrical lifetime makes the CI 105-141 contactors suitable for operation of all kinds of electrical loads in modern industry. Combined with a thermal overload relay or an electronic motor protection relay, the contactor switches and protects induction motors against overload and asymmetric load.
A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 105-141 programme very flexible and suitable both for OEMs and panel builders.

The contactor programme CI 170 EI - 420 EI is based on two frame sizes. The small frame size is used by CI 170 EI (95 kW), and the CI 420 EI range (118-238 kW) uses the large frame size. Both are equipped with three NO main contacts and an auxiliary contact block with one NO and one NC auxiliary contact. Spare contacts are available and by maintenance, the moveable system blocks when removing the chamber.
The factory setting makes the contactors operate as standard conventional contactors, but for PLC application, the built-in interface relay can be activated. A long electrical lifetime makes the CI 170 EI - 420 EI contactors suitable for operation of all kinds of electrical loads in modern industry.
A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 170 EI - 420 EI programme very flexible and suitable both for OEMs and panel builders.

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