DC Mini Circuit Breaker
JB1-D-125 DC mini circuit breaker
Application
JBl-D-125 Series PV Mini Circuit Breakers are mainly applied to DC solar combiner box,Controller etc. 
The main function include overload protection,Anti-reflux protection and short-circuit protection. Scientific design of arc-extinguishing system keep solar system more safe. Max Voltage up to 1000V DC, current up to l25A.
Type Introduction
Examples:
1. JB1-D-125 C125/4P/1000V;
2. JB1-D-125 C125/4P/1000V/MX:12V+OF integrated
Feature
Nonpolarity.
Functions: overload,short circuit, unfrequent operation.
Rated Voltage:DC1000V
Breaking Capacity:6kA
Rated Current:80,100,125A
Comply with :IEC/EN 60947-2
Technical Data
Standard | IEC/EN60947-2 |
Protection | Overcurrent and short circuit |
Type of trip | Thermo-magnetic |
No.of poles | 1P,2P,3P,4P |
Rated currents In | 80,100,125A |
Rated voltage Ue | 1P(250VDC),2P(500VDC),3P(7500VDC),4P(1000VDC) |
Rated breaking capacity | 6,000A |
Over voltage Category | III |
Pollution Degree | 3 |
Thermal release characteristic | (1.05-1.30) x In |
Magnetic release characteristic | B:4In,C:8In |
Electrical life | In=125A,exceed 200 cycles;In=80A ,100Aexceed 300 cycles; |
Mechanical life | 10,000 Cycles |
Contact position indicator | Yes |
Protection degree | IP20 |
Ambient temperature | -30℃ to +70℃, Max.95% humidity |
Terminal connection type | Cable/Pin-type busbar/Fork-type busbar |
Max.terminal size for cable | 35mm2 |
Max.tightening torque | 3.5N.m |
Installation | Mounting on 35mm DIN rail |
Connection | According to the wiring diagram |
Temperature Cofficient
Altitude Cofficient
Circuit Diagram
Overall and Installation Dimension(mm)
