Datasheet
www.weg.net
C-18 Motor Control and Protection up to 18.5 kW / 25 HP
Main Terminal Capacity
Notes: 1) Mandatory use (finely stranded cable without end sleeve is not allowed).
2) 8 AWG for flexible cable only.
Models Type Number of conductors Cross-section
MPW18 Rigid or flexible cable
1...4 mm
2
18...12 AWG
MPW12
Rigid cable
1...1.5 mm
2
18...16 AWG
Finely stranded with end
sleeve
1)
1...1.5 mm
2
18...16 AWG
MPW40 Rigid or flexible cable
1...2.5 mm
2
2.5...6 mm
2
14...8 AWG
2)
1 or 2
1 or 2
1 or 2
Auxiliary Contact Blocks - ACB
Undervoltage Release - URMP
Reference URMP
For use with MPW12...40
Rated insulation voltage Ui 690 V
Operating voltage
(enables cir. breaker switch ON)
0.85...1.1 x Ue
Non-operating voltage
(guarantees circuit breaker switch OFF)
0.35...0.7 x Ue
Energization consumption 20.2 VA / 13 W
Consumption 7.2 VA / 2.4 W
Max. opening time 20 ms
Type of terminal Flat
Type of screws Phillips (Nº 2)
Tightening torque 1...1.5 N.m (7...10 lb.in)
Rigid cable
1 or 2 x (0.5...1.5 mm
2
)
1 or 2 x (0.75...2.5 mm
2
)
1 or 2 x (18...14 AWG)
Flexible cable
Backup fuses gL/gG 10 A
Reference ACBF-11 (S) ACBS- _ _ (S), TSB
For use with MPW12...40
Rated insulation voltage Ui
250 V 690 V
Utilization category 24 V ac 220-230 V ac 24 V ac 230 V ac 400 V ac 690 V ac
AC-15 2 A 0.5 A 6 A 6 A 3 A 1 A
AC-12 2.5 A 2.5 A 10 A 10 A 10 A 10 A
DC-13
24 V dc 48 V dc 60 V dc 24 V dc 110 V dc 220 V dc 440 V dc
1 A 0.3 A 0.15 A 2 A 0.5 A 0.25 A 0.1 A
24 V ac 220-230 V ac
2 A 0.5 A
2.5 A 2.5 A
Type of terminal Flat Spring Flat Spring
Type of screw Phillips (Nº 2) - Phillips (Nº 2) -
Tightening torque 1...1.5 N.m (7...10 lb.in) - 1...1.5 N.m (7...10 lb.in) -
Rigid cable
1 or 2 x (0.5...1.5 mm
2
)
1 or 2 x (0.75...2.5 mm
2
)
1 or 2 x (18...14 AWG)
1 or 2 x (1...1.5 mm
2
)
1 or 2 x (18...16 AWG)
1 or 2 x (0.5...1.5 mm
2
)
1 or 2 x (0.75...2.5 mm
2
)
1 or 2 x (18...14 AWG)
1 or 2 x (1...1.5 mm
2
)
1 or 2 x (18...16 AWG)
Flexible cable - -
Finely stranded with end sleeve
1)
1 or 2 x (1 mm
2
)
1 or 2 x (18 AWG)
1 or 2 x (1 mm
2
)
1 or 2 x (18 AWG)
Backup fuses gL/gG 10 A
24 V dc 48 V dc 60 V dc
1 A 0.3 A 0.15 A
24 V ac 230 V ac 400 V ac 690 V ac
6 A 4 A 3 A 1 A
10 A 10 A 10 A 10 A
24 V dc 110 V dc 220 V dc 440 V dc
2 A 0.5 A 0.25 A 0.1 A
MPW Motor Protective Circuit Breakers - Technical Data