JCZS80-DC Polarity DC Miniature Circuit Breaker (MCB)
TECHNICAL DATA
JCZS80-DC Polarity DC Miniature Circuit Breaker Information
W9 Group lists JCZS80-DC as a polarity DC miniature circuit breaker. For a DC distribution enquiry, specify the system voltage, current and fault-current direction, and request the terminal-polarity diagram for the exact pole configuration.
The title identifies a polarity-sensitive DC breaker, while older prose describes bidirectional protection. Confirm the permitted current direction, terminal markings and available current ratings for the supplied unit.
| Product code | JCZS80-DC | |||
| Pole | 1 Pole | 2 Pole | 3 Pole | 4 Pole |
| Standard | IEC/EN 60947-2,IEC/EN 60898-1 | |||
| Electrical features | Rated current In (A) | 6,10,16,20,25,32,40,50,63 | ||
| Rated voltage Ue(V) | 1P:DC300V, 2P:DC600V, 3P:DC 900V, 4P:DC1200V | |||
| Insulation voltage Ui (V) | 1200V | |||
| Rated impulse withstand voltage(1.2/50) Uimp (V) | 6000V | |||
| Rated breaking capacity | 10KA | |||
| Overvoltage category | 3 | |||
| Pollution degree | 3 | |||
| Instantaneous tripping characteristics | B:4In±20%, C：8In±20%, K: 10In±20% | |||
| Mechanicalfeatures | Electrical life | ≥1500 | ||
| Mechanical life | ≥20000 | |||
| Contact position indicator | Yes | |||
| Protection degree | IP 20 | |||
| Reference temperature for setting of thermal element(°C) | 30 | |||
| Ambient temperature (with daily average≤35°C) | -5…+40 °C | |||
| Storage temperation (°C) | -25…+70 °C | |||
| Installation | Terminal connection type | Cable/U-type busbar/Pin-type busbar | ||
| Terminal size top/bottom for cable | 25mm2 / 18-4 AWG | |||
| Terminal size top/bottom for busbar | 10mm2 / 18-8 AWG | |||
| Tightening torque | 2.5 N*m / 22 InI-bs. | |||
| Mounting | On DIN rail EN 60715 (35mm) | |||
| Combination with accessories | Auxiliary contact | Yes | ||
| Shunt release | Yes | |||
| Under voltage release | Yes | |||
| Alarm contact | Yes | |||
SELECTION GUIDE
Selecting JCZS80-DC polarity DC miniature circuit breaker for Your Installation
Use JCZS80-DC as the enquiry reference and confirm the selected configuration against your circuit, connection and installation requirements.
Define the supply circuit
Provide the supply type, maximum circuit voltage and earthing arrangement. Confirm the required pole connection from the matching wiring diagram.
Coordinate current and release
Choose the ordered current using conductor and load duty. Request the exact trip curve and any installation-related derating.
Compare fault interruption
Provide the prospective short-circuit current. Confirm the breaking rating, operating voltage and applicable test standard together.
Check installation details
Request terminal limits, mounting dimensions, torque and accessory compatibility for the complete model code.
ABOUT W9 GROUP
W9 Group Support for JCZS80-DC Product Enquiries
Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a JCZS80-DC enquiry, contact W9 Group about configuration and matching product documents.
RELATED RESOURCES
Request JCZS80-DC DC MCB Polarity and Wiring Instructions
Use technical support and related products to specify JCZS80-DC. Request a datasheet and wiring diagram matching the selected JCZS80-DC configuration.
RELATED PRODUCTWLM6RT adjustable MCCBCompare function and configuration; request separate model ratings
DOCUMENTSW9 Group download centreRequest the current document for your quoted JCZS80-DC variant
BUYER FAQ
JCZS80-DC DC MCB Polarity and Rating FAQs
Find answers about JCZS80-DC selection, configuration and ordering.
How should I specify the JCZS80-DC DC operating voltage?
Provide the maximum circuit voltage and required poles. Confirm the permitted voltage and series-pole connection on a diagram matching the exact JCZS80-DC order code.
Can current flow in either direction?
Confirm the exact polarity markings and permitted fault-current direction with W9 Group before wiring. Use the ordered unit’s diagram, especially for battery and inverter circuits with possible reverse current.
Which rated current should I order?
Request the current schedule for the complete order code and confirm the selected current on the offered nameplate. Match it to conductor duty and the installation conditions.
Which JCZS80-DC trip-curve data should I request?
Request the complete time-current curve for the selected JCZS80-DC rating. Confirm the trip characteristic and any derating against the load and installation conditions.
How do I verify JCZS80-DC DC breaking capacity?
Provide the prospective fault current, circuit voltage and earthing arrangement. Confirm the applicable interruption rating and test conditions for the offered JCZS80-DC pole connection.
Does this MCB provide residual-current detection?
The listed release functions are overload and short-circuit protection. Confirm the separate residual-current or insulation-monitoring arrangement required for the complete system.
What should I send for a JCZS80-DC quotation?
Send the complete JCZS80-DC designation, required configuration, quantity, destination market and documents needed. Ask W9 Group to confirm the offered item, price, minimum order quantity and delivery terms.
Send W9 Group the complete JCZS80-DC designation, circuit or host-equipment requirements, quantity and destination market. Request the exact offered configuration and its matching technical documents.
Request JCZS80-DC Pricing and Technical Documents
Tell W9 Group your complete order code, circuit duty, installation conditions and required documents, quantity and destination market so the selected configuration can be identified.