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1. Product Description:
The DC  Mini Circuit Breaker  is a 20A single pole circuit breaker and switched neutral
with common trip. The neutral pole incorporates a shunt trip for remote tripping.
It used to supply single phase loads in an installation.
2. Features
Reliable function: Load phase with over current and overload protection,
neutral phase with remote tripping.
Life of shunt trip coil is up to 4000 times.
Impulse Voltage Withstanding up to 20000V (1.2/50μs)
3. Technical Specification:
3.1 Type:
3.2 Rated voltage: AC230/400V(2P);
3.3 Rated Current: 20A;
3.4 Tripping Characteristics: Type C;
3.5 Rated Breaking Capacity: 6kA;
3.6 Rated Frequency: 50/60Hz;
3.7 Maximum cable size: 25mm2 (standard PVC insulated copper wire)
3.8 Enclosure IP degree: IP20;
3.9 Mechanical/Electrical Life ≥ 4000 times;
3.10 Remote Shunt Trip Life ≥ 4000 times;
3.11 Contacts: Distance:5±0.5mm, contact Pressure:4±0.45N,
Over-distance≥1mm;
3.12 Overload Protection Feature:
Item      Rated Current (In)        Initial Status       Test Current       Time(t)         Result
1                                                    Cold                   1.13In               T≥1h         Not Trip
2                                                Follow the              1.45In                 T<1h         Trip
                                                  former test 
3              20A                               Cold                     2.55In          1s4                                                    Cold                     5In              T≥0.1s         Not Trip
                                                                                  10In               T<0.1s          Trip
3.13 Remote Shunt Trip Coil:
AC Resistance: 37.5±10%
Rated voltage: 50Hz 230~
Impulse Voltage Withstanding: 20000V (1.2/50μs)
Operation AC Voltage and time: 50Hz 154V-288V/0.2s
Min. Operation Voltage: <60V
Turn: 900±50

3.14 Specification of Leads
Leads Length: 240±5mm
Model: FET
Diameter 0.12mm
Material: Tinned Copper Wire, 19 lines
Temperature Withstanding: 200
Voltage Withstanding: 600V
3.15 Connectors: 35155-2Y and 5103
3.16 Tripping Characteristics (see figure 4)
3.17 I2t Feature (see figure 5)
4. Environmental features
4.1 Ambient temperature range -5+40, daily average ≤ +35
4.2 Altitude not exceed 2000m in installation site
4.3 Atmosphere: The air is clean. When maximum temperature exceed +40,
humidity not exceed 50%. Higher humidity is allowed in lower temperature, eg.
when temperature is +20, relative humidity is 90%. Dew may be condensed
when temperature varies.
4.4 Pollution degree: 2
4.5 Installation type: , (over voltage type)
4.6 Installation condition: the gradient of installation side and vertical side not
exceed ±5
5. Packaging, Pad Printing and Ink-jet Date
5.1 Package: 6pcs per box, 20 boxes per carton, all the boxes sealed and
banded in plastic bags.