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DC12~1000V 10~63A 1P/2P/3P/4P Miniature Circuit Breaker STB1-63Z

1. CNST miniature circuit breakers are specifically designed for PV and solar applications
1P/2P/3P/4P DC miniature circuit breakers provide reliable overload/short-circuit protection and isolation for photovoltaic systems rated at 12-1000V DC, 10A/16A/20A/25A/32A/40A/50A/63A, with a breaking capacity up(Icu) to 6kA.
2. Flame-retardant housing and silver contacts
Features a flame-retardant, UV-resistant PA housing, silver alloy contacts, and a high-capacity pure copper coil to ensure excellent arc extinction performance and reliable overcurrent/short-circuit protection.
3. Non-Polarity and Thermomagnetic Trip
Precision thermomagnetic trip technology combined with enhanced DC arc extinction capability ensures safe and reliable disconnection of PV circuits. Non-polarity wiring supports reverse wiring applications, reducing cable and power losses.
4. STB1-63Z Applications
Zhongnong circuit breakers are suitable for solar panel arrays, solar charge controllers, inverters, RVs, grid-connected/off-grid systems, residential rooftops, and other PV DC systems; also compatible with AC systems.
5. Globally Certified and Professional PV Protection Equipment Manufacturer
Our MCB products hold CE, ISO, and GTS certifications, complying with IEC 60947-2 standards. CNST provides customers with one-stop PV protection equipment solutions. We develop and manufacture isolator switche, PV combiner box(MCB, SPD, Fuse, MCCB), DC smart monitoring, battery protection box, AC distribution box, and PV connectors. Simply contact us, and we will analyze your requirements and create customized product solutions and 3D models for you
SKU: STDCMCBX0010 Categories: , ,
Technical Data
Model STB1-63Z
Type MCB
Pole 1P 2P 3P 4P
Frame degree rated current (A) 63
Rated current In(A) 6/10/16/20/25/32/40/50/63
Rated Working Voltage Ue (V) DC250/AC220V DC500/AC400V DC750/AC400V DC1000/AC400V
Rated Frequency (Hz) 50/60
Breaking Capacity Icu(kA) 6
impact voltage Uimp(kV) 4
Curve type C
Trip type Thermal-magnetic
Standard IEC60947-2
Levels of Protection IP20/IK08
Quality Certificate CE、ISO9001、ROHS
Mechanical life (Maxtimes) 20000
Electrical life (Maxtimes) 6000
Operating Temperature -20℃ to 70℃
Humidity ≤95%
Altitude 2000m
Installation 35mm DIN Rail
Wiring capacity (mm²） In ≤ 32A,1~25mm²,1 ≥ 40A,10~35mm²
Size and Weight
Product Size L*W*H（mm） 75.5*18*80 75.5*36*80 75.5*54*80 75.5*72*80
Product Weight（kg） 0.085 0.169 0.255 0.338
Inner box Packaging Details (Pcs) 12 6 4 3
Inner box package size（mm） 225*90*85 225*90*85 225*90*85 225*90*85
Inner box package Weight（kg） 1.074 1.074 1.074 1.074
Outer box Packaging Details (Pcs) 240 120 80 60
Outer box size(mm) 470*240*360 470*240*360 470*240*360 470*240*360
Outer box Weight(kg) 23 23 23 23

 

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