JCB1-125DC DC MCB
TECHNICAL DATA
JCB1-125DC 63–125A DC Miniature Circuit Breaker Specifications
The JCB1-125DC DC MCB is listed by W9 Group for overload and short-circuit protection. The model page describes 63–125 A, C or D curves and 1-pole through 4-pole options. Confirm the DC operating voltage, connection arrangement and corresponding breaking capacity before selecting a variant.
| Model | JCB1-125DC |
|---|---|
| Category | DC miniature circuit breaker |
| Catalog current range | 63–125 A |
| Pole options | 1P / 2P / 3P / 4P |
| Trip curves | C / D |
| Module width | 27 mm per pole |
| Mounting | 35 mm DIN rail |
| Protection degree | IP20 |
| Contact indication | Listed |
| DC rating selection | Confirm DC voltage, pole wiring and voltage-specific breaking capacity in the matching datasheet |
SELECTION GUIDE
Selecting a DC MCB by Voltage, Poles and Trip Curve
Specify the DC voltage, current, pole count, trip curve, fault current and connection arrangement when requesting a JCB1-125DC quotation from W9 Group.
Specify the DC supply
State the maximum DC system voltage, source arrangement and fault current. Confirm the manufacturer’s pole wiring requirements.
Choose the current and curve
The source lists 63–125 A and C / D curves. Request the offered current steps and time-current curve.
Allow for pole width
The source describes 27 mm per pole with 35 mm DIN-rail mounting. Confirm total width and terminal clearances for the selected version.
Verify the rating document
Request the DC datasheet and applicable standard documentation. Confirm breaking capacity at the actual operating voltage.
ABOUT W9 GROUP
W9 Group DC MCB Supply and Support
Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a JCB1-125DC enquiry, contact W9 Group about configuration and matching product documents.
BUYER FAQ
JCB1-125DC DC MCB FAQs: Current, Curve and DC Ratings
Find answers about JCB1-125DC selection, configuration and ordering.
Is JCB1-125DC a DC circuit breaker?
It is marketed as a DC miniature circuit breaker. Confirm the marked DC voltage and pole connection arrangement for the supplied order code.
Which current and curve options are listed?
The source lists 63–125 A with C and D curves. Confirm the exact current step and trip curve on the offered variant.
Is the breaking rating always 10kA?
The title says 10 kA, while the body also lists 6 kA or 10 kA. Confirm the rating at the intended DC voltage; a title alone does not establish every operating condition.
Can the published AC-style voltage schedule be used for DC wiring?
No. Confirm a dedicated DC voltage and pole-connection schedule. Do not transfer the source’s AC-style voltage or standard references into a DC installation specification.
How much DIN-rail space is needed?
The body lists 27 mm per pole and 35 mm DIN-rail mounting. Confirm the total dimensions for the chosen pole count.
Can auxiliary accessories be added?
The summary mentions auxiliaries, but compatible accessory codes and their functions are not identified. Confirm the exact accessory list for the ordered breaker.
What is needed for a JCB1-125DC quotation?
Send the required configuration, quantity, destination market and document requirements. Ask W9 Group to confirm price, minimum order quantity, samples and lead time for the selected configuration.
PRODUCT ENQUIRY
Request a JCB1-125DC DC MCB Quotation
Tell W9 Group your DC voltage, current, pole count, trip curve, fault current and connection arrangement, quantity and destination market so the selected configuration can be identified.