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- Proven Track Record

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- 60 months Product Warranty

- RM 2,000,000 Product Liabllity

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Email: sales@maxguard.com.my

Moulded Case Circuit Breakers (MCCB)

  • To protect conductors against overloads and short circuits currents in electrical distribution systems.
  • Use in domestic, commercial and industrial installations.

Technical Data

Electrical

Design according to IEC 60947-2
Rated voltage (Ue) 415V~
Rated current (In) 20 - 400A at 40°C
Utilization category Cat A
Rated insulation voltage (Ui) 690 V
Frequency 50/60Hz
Tripping mechanism Fixed thermal & magnetic
Calibration Temp 40°C
Degree of protection IP20
Electrical & mechanical endurance 10,000 operating cycles
Pol Degree 3
Rated Impulse Voltage (Uimp) 6kV
Ith I the =In
Note: 4P MCCB - N is Protected

Dimension

MCCB Dimension (mm)

MODEL

POLE W L H A B a b ød  WEIGHT(Kg)
M63L 2P/3P 78 135 74 25 116 22 60 M3 0.8/0.9
M100L 3P 92 150 69 30 128 22 60 M4 1.25
M100L *4P 122 150 69 30 128 22 51 M4 1.6
M225L 3P 106 165 88 35 126 25 60 M4 1.9
M400L 3P 140 257 107 44 215 55 102 M5 4.5

*N-PROTECTED

Externally operated handles for MCCBs which can be installed to enclosures of varying depth. Handles are padlockable. Mechanically transfer the position ON-TRIP-OFF of MCCBs.

EXTENDED HANDLE FOR M100L MCCB  (EX-100L)

EXTENDED HANDLE FOR M225L MCCB (EX-225L)

Temperature Compensation Table

Ambient Temperature (°C)
Rated Current %
M63L & M100L
(16A - 32A)
M63L & M100L
(40A - 100A)
M225L
M400L
0
123
113
113
122
10
117
110
110
117
15
115
108
108
115
20
112
106
106
112
25
110
105
105
110
30
107
103
103
106
35
105
102
102
104
40
100
100
100
100
50
90
92
92
94
55
87
90
90
90