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References
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Lighting Contactors 0
Multipole lighting contactors
Type S Class 8903
Multipole lighting contactors, Type S (4)
Contact
Ampere
ratings
Number
of
poles
Enclosure type (1) Basic reference (2)
Add code
indicating control
circuit voltage (3)
and enclosure type
Weight
A kg (lb)
Electrically held
30 2 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SM (2) 1 (3) 1.4 (3.1)
3 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SM (2) 2 (3) 1.4 (3.1)
4 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SM (2) 3 (3) 1.7 (3.7)
5 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SM (2) 4 (3) 1.7 (3.7)
60 2 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SP (2) 1 (3) 2.4 (5.3)
3 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SP (2) 2 (3) 2.5 (5.5)
4 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SP (2) 3 (3) 3.1 (6.9)
5 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SP (2) 4 (3) 3.3 (7.2)
100 2 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SQ (2) 1 (3) 9.9 (22)
3 Open (“O”), NEMA 1 (“G”),
NEMA 1+ (“F”), NEMA 12 (“A”)
8903 SQ (2) 2 (3) 9.9 (22)
4 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SQ (2) 3 (3) 15.5 (34)
5 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SQ (2) 4 (3) 28.4 (63)
200 2 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SV (2) 1 (3) 14.5 (32)
3 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SV (2) 2 (3) 14.5 (32)
4 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SV
(2) 3 (3) 29.4 (65)
5 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SV (2) 4 (3) 29.4 (65)
300 2 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SX (2) 1 (3) 23.6 (52)
3 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SX (2) 2 (3) 31.3 (69)
400 2 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SY (2) 1 (3) 43.5 (96)
3 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SY (2) 2 (3) 45 (99)
600 2 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SZ (2) 1 (3) 61.2
(135)
3 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SZ (2) 2 (3) 63 (139)
800 2 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SJ (2) 1 (3) 85.2
(188)
3 Open (“O”), NEMA 1 (“G”), NEMA 12 (“A”) 8903 SJ (2) 2 (3) 87.9
(193)
(1) Open: separate enclosures are available for 30, 60 and 100 A devices.
NEMA 1: general purpose enclosure.
NEMA 1+: flush-mounting, general-purpose enclosure with plaster adjustment.
NEMA 12: dust-tight and drip-tight industrial-use enclosure.
(2) Insert "O" for Open , "G" for NEMA 1, "F" for NEMA 1+, "A" for NEMA 12.
Example: 8903 SMO 1 V02.
(3) Standard control circuit voltage:
Volts 24 110 120 208 220 240 277 440 480
50 Hz – V02 – – V03 – – V06 –
60 Hz V01 – V02 V08 – V03 V04 – V06
(4) All lighting contactors are provided with separate control as standard, except electrically held
400, 600 and 800 A devices. Electrically held 400, 600 and 800 A devices are provided with
common control.
531223_1
8903 SQO
1
ppp
General, characteristics:
pages 5/2 and 5/3
Dimensions:
pages 5/10 and 5/11










