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Issue C
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Voltage rating
Current ratings
Typical life
Ambient temperature
Insulation co-ordination
(IEC 664 and 664 A)
DC 28 V
3...20 A
10,000 operations at I
N
-30 ... +80
°
C
Rated impulse
withstand voltage
2.5 kV
Pollution
degree
2
Dielectric strength
(IEC 664 and 664A)
operating area
Interrupting capacity I
cn
Vibration
Test voltage
AC 500 V
160 A
120: 10 g (57-500 Hz)
±
0.76 mm (10-57 Hz)
124: 8 g (57-500 Hz)
±
0.61 mm (10-57 Hz)
to IEC 68-2-6, test Fc,
10 frequency cycles/axis
40 g (11 ms)
to IEC 68-2-27, test Ea
168 hours at 5 % salt mist,
to IEC 68-2-11, test Ka
144 hours at 95 % RH
to IEC 68-2-3, test Ca
120: approx. 23 g
124: approx. 27 g
Shock
Corrosion
Humidity
Mass
Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934)
for snap-in panel mounting. Available in rocker (120-P50) or push/push
(124-P50) switch versions. Under overload the actuator returns to the
OFF position.
Thermal Overcurrent Circuit Breakers 120-P50/124-...
Extra low voltage automotive and marine wiring systems.
Description
Typical applications
Ordering information
Technical data
120-P50
124-...-P50
The exact part number required can be built up from the table of choices shown
above. Ordering references for optional features should be omitted if not required.
Current
rating (A)
3
3.5
4
4.5
5
7.5
Internal resistance
(
)x10
-3
67
67
67
49
38
26
Current
rating (A)
10
12
15
16
20
Internal resistance
(
)x10
-3
< 20
< 20
< 20
< 20
< 20
Standard current ratings and typical internal resistance values
Authority
CSA
Voltage ratings
DC 28 V
Current ratings
3...15 A
Approvals (type 120)
Type No.
120
124
snap-in panel mounting type with rocker operation
snap-in panel mounting type with push/push button
Mounting
(type 124 only)
F10
mounting depth 36.5 mm
F20
mounting depth 38 mm
Terminal design
P50 blade terminals 4.8x0.8 mm
Shunt terminal
(optional)
A3 blade terminal 4.8x0.8
Current ratings
3...20 A
124 - F10 - P50 - A3 - 4A
ordering example