Datasheet

A
P-040
Modular DIN Rail Products
RCBO
3. Overall and mounting dimensions (mm)
MCB+add-on RCCB block
66.2±0.37
49.5±0.31
Combined
Temperature
Temperature compensation
coefficient of rated current
-10℃
0℃
10℃
20℃ 40℃ 50℃ 60℃
1.20 1.15 1.10 1.05
0.95 0.90 0.85
2.3 Temperature derating
The maximum permissible current in a circuit breaker depends on the ambient temperature where the circuit breaker is
placed. Ambient temperature is the temperature inside the enclosure or switchboard in which the circuit breakers are installed.
The reference temperature is 30℃
49.5±0.31
30℃
1.00
A
B
Number of poles
1P+N
2P
3P
3P+N
4P
1P+N
2P
3P
3P+N
4P
Overall dimensions A (mm)
B(mm)
1~40A
50~63A
34.5±0.50
78.5
0
-1.2
88
0 -1.4
49.5±0.31
45±0.31
5.5
45
0
-0.62
63
0
-0.74
108
0
-1.4
108
0
-1.4
126
27
27
54
54
0
-1.6
0
-0.52
0
-0.52
0
-1.20
0
-1.20
54
0
-1.20
54
0
-0.74
72
0
-0.74
117
0
-1.4
117
0
-1.4
135
36
36
63
63
0
-1.6
0
-0.62
0
-0.62
0
-1.2
0
-1.2
63
0
-1.2
54
0
-1.2
76.5
0
-1.2
35
0
-1.0
86
0
-1.4
36
0
-0.62
1P+N 2P
45±0.31
77
0
-1.2
34.5±0.5
86
0
-1.4
45±0.31