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Technical
Section 9
Dimensions
Section 10
1
Isobar 4c
TP&N Type B incomers
Distribution boards
Switch disconnectors 125A
Part number
Rating
Voltage
Number of poles
MGI1253N
125A
415V
3+N
MGI1254
125A
415V
4
Technical data
Tested to
BS EN 60947-3
Category of duty
AC22
Positive contact indication In accordance with BS 7671
Cable capacity
50mm
2
Terminal tightening torque 3.5Nm
Lockable in “ON” or “OFF”
position
Using ref: MGLA
Switch disconnectors 160A - 250A
Part number
Rating
Voltage
Number of poles
MGNI1603
160A
415V
3+N
MGNI2003
200A
415V
3+N
MGNI2503
250A
415V
3+N
MGNI1604
160A
415V
4
MGNI2004
200A
415V
4
MGNI2254
225A
415V
4
MGNI2504
250A
415V
4
LV429243
Bare cable connector set 95mm
2
160A set of 4
LV429260
Bare cable connector set 185mm
2
250A set of 4
MGALK
Allen key kit for fitting devices >160A
Devices fit directly into distribution board and are supplied with 270mm extension
box.
Technical data
Tested to
BS EN 60947-3
Copper pad for M8 lugs,
tightening torque
15Nm
Lockable in “ON” or “OFF” position
Category of duty
AC22
Positive contact indication
in accordance with
BS 7671
Residual current circuit breakers RCCBs 63A - 160A
Part number
Rating
Voltage
Sensitivity Number of poles
RMG630304
63A
415V
30mA
4
RMG631004
63A
415V
100mA 4
RMG633004
63A
415V
300mA 4
23146
63A
415V
300mA TD** 4
16261
80A
415V
30mA
4
23213
100A
415V
300mA 4
23227
100A
415V
300mA TD** 4
MGNI160RCCB*
160A
415V
Adjustable 4
* Item is supplied with 270mm extension box, non-auto MCCB and Vigi.
** Time delay as an element of discrimination.
Technical data
Tested to
BS EN 61008
Positive contact indication In accordance with BS 7671
Lockable in “ON” or “OFF” position
Trip free mechanism
Cable capacity
63A/80A - 35mm
2
, 100A - 50mm
2
, 160A - 50-185mm
2
Terminal tightening torque 2Nm (63/80A), 3.5Nm (100A), 15Nm (160A)