기술 데이터
JCB3-63DC 직류 소형 회로차단기: 정격전류, 극수 및 트립 특성곡선
JCB3-63DC 직류 소형 회로차단기는 W9 그룹에 의해 직류 회로의 과부하 및 단락 보호용으로 등재되어 있습니다. 제품 사양표에는 6 A에서 63 A까지의 정격전류, B/C 동작곡선, 그리고 1P/2P/3P/4P 버전이 수록되어 있습니다. 실제 설치 시에는 극성, 극수 배선 방식 및 전압별 고장 용량을 반드시 확인하시기 바랍니다.
| 제품 코드 | JCB3-63DC | |||
| 폴 | 1 극 | 2번 기둥 | 3번 기둥 | 4 Pole |
| 표준 | IEC/ EN 60947- 2 | |||
|
Electrical features |
Rated current In (A) | 6 , 10, 16, 20 , 25 , 32, 40, 50 , 63 | ||
| Rated voltage Ue(V) | 1P:DC250V, 2P:DC500V, 3P:DC 750V, 4P:DC1000V | |||
| Insulation voltage Ui (V) | 1000V | |||
| Rated impulse withstand voltage Uimp (V) | 4000V | |||
| Rated breaking capacity | 6 kA | |||
| Rated impulse withstand voltage( 1 . 2/ 50) Uimp (V) | 4000 | |||
| Pollution degree | 2 | |||
| Thermo- magnetic release characteristic | B Curve , C Curve | |||
|
Mechanicalfeatures |
Electrical life | ≥1500 | ||
| Mechanical life | ≥20000 | |||
| Contact position indicator | 네 | |||
| Protection degree | IP 20 | |||
| Reference temperature for setting of thermal element(℃) | 30 | |||
| Ambient temperature (with daily average ≤35℃) | – 5…+40 ℃ | |||
| Storage temperation (℃) | -25 . . . + 70 ℃ | |||
|
설치 |
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 In-Ibs. | |||
| 장착 | On DIN rail EN 60715 ( 35mm) | |||
|
Combination with accessories |
Auxiliary contact | 네 | ||
| Shunt release | 네 | |||
| Under voltage release | 네 | |||
| Alarm contact | 네 | |||
선정 가이드
How to Select a JCB3-63DC DC MCB by Pole Voltage and Polarity
Specify the current, trip curve, DC voltage, pole wiring, polarity, fault level and accessory requirements when requesting a JCB3-63DC quotation from W9 Group.
Select the DC current and curve
Use the table current choices and confirm the selected B or C curve against load startup and protection coordination.
Match voltage and pole wiring
Select the pole arrangement for the system voltage and obtain the required series connection and earthing diagram.
Confirm polarity and reverse current
The title and body give inconsistent polarity descriptions. Request the exact terminal marking and allowed current direction for the supplied version.
Check fault duty and accessories
Confirm DC fault capacity, circuit time constant where applicable, installation conditions and each ordered accessory code.
W9 그룹 소개
W9 Group JCB3-63DC DC Circuit Breaker Supply and Support
Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a JCB3-63DC enquiry, contact W9 Group about configuration and matching product documents.

관련 자료
JCB3-63DC DC MCB Wiring, Polarity and Fault-Rating Document Requests
Use technical support and related products to specify JCB3-63DC. Request a datasheet and wiring diagram matching the selected JCB3-63DC configuration.
구매자 FAQ
JCB3-63DC DC MCB FAQs: Pole Wiring, DC Voltage and Breaking Capacity
Find answers about JCB3-63DC selection, configuration and ordering.
Which currents are listed for JCB3-63DC?
The electrical table lists 6, 10, 16, 20, 25, 32, 40, 50 and 63 A. The prose mentions a broader lower-end range; use a confirmed order schedule for any additional current.
Does every pole version have the highest DC voltage rating?
No. The table assigns different DC voltages to different pole arrangements. Confirm the required pole connection and operating voltage for the selected version.
Is JCB3-63DC polarity sensitive?
The native title calls it polarity DC while body prose says it is not polarity sensitive. Confirm the actual terminal markings, wiring diagram and permitted current direction before installation.
What does the listed breaking capacity establish?
The table lists 6 kA. Confirm the applicable DC voltage, pole arrangement, test conditions and project fault duty for the ordered breaker.
Does the DC breaker replace residual-current or insulation monitoring?
Do not infer those functions from overload and short-circuit protection. Confirm any additional monitoring or protection required by the system design.
Which standard and accessories should be specified?
The summary and body use different standard references. Request the exact-model test documents and confirm each auxiliary contact, alarm or release by its matching accessory code.
What is needed for a JCB3-63DC quotation?
필수 구성, 수량, 대상 시장, 문서 요구 사항을 보내주세요. 선택한 구성에 대한 가격, 최소 주문 수량, 샘플 및 리드 타임을 W9 Group에 확인해 주세요.
제품 문의
Request a JCB3-63DC DC Miniature Circuit Breaker Quotation
Tell W9 Group your current, trip curve, DC voltage, pole wiring, polarity, fault level and accessory requirements, quantity and destination market so the selected configuration can be identified.

















































