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KTE EKF PROxima contactors consist of a housing containing fixed contacts and moving contacts, which are fixed in the moving part of the magnetic system. The stationary part of the magnetic system is rigidly fixed in the KTE housing. A spring prevents the contacts from closing. When voltage is applied to the control coil, a magnetic field arises in the contactor's magnetic system, which, overcoming the spring resistance, closes the magnetic system and the contacts. When voltage is removed from the control coil, the spring opens the contacts. The reverse circuit of the KTE EKF PROxima consists of two KTE EKF PROxima contactors mounted on two rails, with a mechanical interlock located between the contactors to prevent simultaneous activation of the two contactors. Contactor terminals are connected by appropriate busbars. The KTE EKF PROxima series was awarded a medal at the "Electro-2008" international exhibition in the category "Best Electrical Equipment".
ATTENTION! Before operating the contactor, the following actions must be performed:
1. Remove the device cover.
2. Remove the foam fixators that hold the contacts.
3. Replace the cover, ensuring a tight fit.
Before mounting the contactor, the device should be visually inspected to identify possible mechanical damage, such as chips, cracks, or breaks.
Vertical and horizontal mounting is permitted.
Number of auxiliary NO contacts
1
Number of auxiliary break contacts
0
Number of main NO contacts
3
Number of main NC contacts
0
Modular design
No
Rated switching power at AC-4, 400 V
21 кВт
Rated operational current Ie at AC-4, 400 V
55 А
Rated power at AC-3, 400 V
55 кВт
Rated operational power (NEMA)
47 кВт
Rated control supply voltage Us AC at 50 Hz up to
253 В
Rated control supply voltage Us AC at 50 Hz from
195.5...253 В
Rated control supply voltage Us DC up to
0 В
Rated control supply voltage Us DC from
0 В
Rated operational current Ie at AC-1, 400 V
250 А
Rated operating current Ie at AC-3, 400 V
150 А
Switch-on current type
AC (alternating)
Main electrical circuit connection type
Screw connection
0
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