Page 415 - Motor_protection_and_control_Manual_motor_starters_ contactors

EK550, EK1000 4-pole contactors

800 to 1000 A AC-1
DC operated - with 2 N.O. + 1 N.C. auxiliary contacts

Description
EK550 4-pole contactors are mainly used for controlling non-inductive or slightly inductive loads
(i.e. resistance furnaces...) and generally for controlling power circuits up to 1000 V AC and 600 V DC,
EK1000 up to 1000 V AC.
These contactors are of the block type design with:
– 4 main poles
1SFC98099-069 – control circuit: DC operated
– add-on auxiliary contact blocks for side mounting and a wide range of accessories.

Ordering details
EK1000-40-21 IEC UL / CSA Rated control circuit Auxiliary Type Order code Weight
Rated operational General use voltage contacts
current rating Uc fitted Pkg
θ ≤ 40 °C 600 V AC (1 pce)
AC-1
A A V DC kg 5
800 540 24 2 1 EK550-40-21 SK827041-DB 17.200
48 2 1 EK550-40-21 SK827041-DD 17.200
75 2 1 EK550-40-21 SK827041-DG 17.200
110 2 1 EK550-40-21 SK827041-DE 17.200
125 2 1 EK550-40-21 SK827041-DU 17.200
220 2 1 EK550-40-21 SK827041-DF 17.200
1000 - 24 2 1 EK1000-40-21 SK827044-DB 17.500
36 2 1 EK1000-40-21 SK827044-DC 17.500
48 2 1 EK1000-40-21 SK827044-DD 17.500
60 2 1 EK1000-40-21 SK827044-DT 17.500
75 2 1 EK1000-40-21 SK827044-DG 17.500
110 2 1 EK1000-40-21 SK827044-DE 17.500
125 2 1 EK1000-40-21 SK827044-DU 17.500
220 2 1 EK1000-40-21 SK827044-DF 17.500

Main dimensions mm, inches
11 0.43" 1) 296 11.65"
270 10.63"
296 11.65" 244 9.61" 225.5 8.88"
11 0.43" 1) 270 10.63" ø 11 0.43" 2) 139.5 5.49" 8 0.31"
244 9.61" 23 0.91" 4)
ø 11 0.43" 2) 225.5 8.88" (M10) 5)
139.5 5.49" 6 0.24"
23 0.91" 4) (M10) 5)
1/L1 3/L2 5/L3 7/L4
1/L1 3/L2 5/L3 7/L4 223 8.78"
272 10.71" 299 11.77"
2/T1 4/T2 6/T3 8/T4 223 8.78" 2/T1 4/T2 6/T3 8/T4
40 3)
1.57" E1694D
67 25 12.5 E0263D8 40 3) E0264D6 67 40 20 E1693D
2.64" 0.98" 0.49" 1.57" 2.64" 1.57" 0.79"
EK550 EK1000
1) Dimension for extra auxiliary contact block.
2) Screw, nut and washer by-packed.
3) Min. distance to uninsulated wall. 1SFC101218C0201
4) Damping elements are included.
5) Earthing screw.
ABB | 5/215