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IV. Main Technical Parameters
1. See Tables 2, 3 and 4 for basic specifications and technical parameters
of the earth leakage circuit breaker.
Table 2 Basic specifications and technical parameters
Model
Rated
voltage
Un
(V)
Number
of poles
Rated
current
In (A)
Rated
ultimate
short-
circuit
breaking
capacity
Icu (kA)
Rated
operating
short-
circuit
breaking
capacity
Ics (kA)
Residual
current
operation
type
Rated
residual
operating
current
IΔn
(mA)
Rated
residual
non-
operating
current
IΔno
(mA)
Rated residual
short-circuit
making/breaking
capacity IΔm
(kA)
Flashover
distance
(mm)
HYM1L-
125L
230
2
16, 20,
25, 32,
40, 50,
63, 80,
100,
125
35
22
Type A
Type AC
50
100
200
300
500
1/2
IΔn
1/4
Icu
≤
50
400
3
4
HYM1L-
125M
230
2
50
35
400
3
4
HYM1L-
250L
230
2
100,
125,
160,
180,
200,
225,
250
35
25
400
3
4
HYM1L-
250M
230
2
100,
125,
160,
180,
200,
225,
250
50
35
400
3
4
HYM1L-
400
400
3
4
225,
250,
315,
350,
400
50
35
100
300
500
≤100
HYH1L-
630
400
3
4
400,
500,
630
50
35
300
500
1,000
Note: The adjustment of the three-gear residual operating current can be
selected by the user.
Table 3 Breaking time of the non-delay earth leakage circuit breaker
Residual current
IΔn
2IΔn
5IΔn
10IΔn
Maximum breaking time (S)
0.2
0.1
0.04
0.04
