Specifications

C
M-PACT
Location
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
PAMM
LT ‘B’ block
LT ‘B’ block
LT ‘B’ block
LT ‘B’ block
Terminal
-
-
-
-
-
-
-
-
-
-
-
-
-
A14
A15
-
-
B5
B6
Terminal
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B3
B4
B5
B6
Terminal
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B3
B4
B5
B6
Function
OUTPUT 4, normally open volt free contact: Operates when the REF (or SEF) element trips the ACB
This is used to trip an upstream HV breaker.
OUTPUT 3, normally open volt free contact: Operates when M-Pro has opened the ACB
due to a trip condition.
OUTPUT 2, normally open volt free contact: Load monitoring output operates if pre-trip alarm or
load shedding limits are exceeded.
OUTPUT 1, normally closed volt free contact, opens under the following conditions: Microprocessor
malfunction, primary contact maintenance alarm or a digital input is active.
Input 4
Input 3
Input 2
Input 1
Input common
Remote Rogowski coil – positive for earth fault and/or neutral protection
Remote Rogowski coil – negative for earth fault and/or neutral protection
Earth leg CT input – non polarised
Auxiliary power supply input – positive
Auxiliary power supply input – negative
Connections for M-PRO 20/30/40
C.5
Wiring Diagram M-PRO 20/30/40
M-PRO 20 M-PRO 30 M-PRO 40