Engineering Data - Omron S8M Product Manual

Engineering Data

Derating Curve
120
S8M-CP04, S8M-CP04-R: Maximum output current 4.0 A
S8M-CP04-RS: Maximum output current 3.8 A
100
80
60
40
20
0
20 10 0 10 20 30
Ambient temperature ( C)
Note: 1. Internal parts may occasionally be deteriorated or damaged. Do not use the S8M in areas outside the derating curve (i.e., in the area
shown by shading A in the above graph).
2. If there is a derating problem, use forced air cooling.
Abnormal Current Tripping
Standard Detection
S8M-CP04/S8M-CP04-R
Time (ms)
Setting
range
100
20
0.5 4
Instantaneous Detection
S8M-CP04/S8M-CP04-R
Time (ms)
Setting
range
20
0.5 4
6
Digital Multicircuit Protector
Derating Curve of the S8M
The ambient temperature that S8M can be
1
operating is limited by the maximum output
current of one branch terminal on ordinary
current condition.
40 50 60 70
Characteristics when steady
Current limited by
Tripping region
internal circuit
6 12
Current (A)
Characteristics when steady
Current limited by
internal circuit
Tripping region
12
Current (A)
S8M
S8M-CP04-RS
Time (ms)
Setting
range
100
20
0.5 3.8
S8M-CP04-RS
Time (ms)
Setting
range
20
0.5 3.8
Characteristics when steady
Current limited by
Tripping region
internal circuit
6 12
Current (A)
Characteristics when steady
Current limited by
internal circuit
Tripping region
12
Current (A)