RV Power Systems
Compact protection for mobile living and auxiliary power architectures.
Back to Home
BLACK CORE · HIGH-CURRENT 1P MCCB
RFM1-400L / 1P
Product visualization based on current production structure.
Number of Poles1P
Current Range250A–400A
CustomizableCustomizable ratings available
1P MCCB250A–400A · Customizable
01 — PRODUCT GALLERY
THE BLACK CORE PRODUCT VISUAL.
Product visualization based on current production structure.
Current Range
250A–400A
Three defined series cover customizable ratings from 40A to 400A.
250A400A
CustomizableCustomizable ratings available
02 — INSTALLATION DIMENSIONS
MECHANICAL DIMENSIONS.
Review the formal front, side and terminal views below. All dimensions are shown in millimetres.
Width / mm80 mm
Height / mm257 mm
Depth / mm151 mm
View full drawing ↗03 — TECHNICAL SPECIFICATIONS
TECHNICAL SPECIFICATIONS.
Electrical, mechanical and compliance data organized for specification review.
Product TypeMolded Case Circuit Breaker (MCCB)
ModelRFM1-400L / 1P
ManufacturerSuzhou Dongge Power Technology Co., Ltd.
Number of Poles1P
Rated Current Range250A–400A
RFM1-400 · 3P / 4P
RFM1-400 Series Reference Data
RFM1-400 Series Reference Data
The available report covers RFM1-400 3P / 4P configurations only. It does not establish certification or test coverage for RFM1-400L / 1P.Model SeriesRFM1-400 / 3300 / 4300 (3P / 4P)
ManufacturerSuzhou Dongge Power Technology Co., Ltd.
Document Coverage3P / 4P
Rated Current250A / 315A / 350A / 400A
Rated Operational Voltage UeAC400V
Rated Insulation Voltage Ui1000V
Rated Impulse Withstand Voltage Uimp8kV
Rated Service Short-Circuit Breaking Capacity Ics50kA
Rated Ultimate Short-Circuit Breaking Capacity Icu65kA
Trip UnitThermal-Magnetic
Selectivity CategoryCategory A
Isolation FunctionYes
Applicable StandardGB/T 14048.2-2020
Test Report No.19101-DWRY220489
Certificate NumberCQC22107358650
Certification Validity2022-09-13 to 2032-09-12
TECHNICAL DOCUMENTS
Technical Documents
Model-specific engineering and compliance resources.
01
Mechanical Drawing
RFM1-400L / 1P
↗02RFM1-400 Series CQC Reference Documentation
RFM1-400 / 3300 / 4300 (3P / 4P)
The available report covers RFM1-400 3P / 4P configurations only. It does not establish certification or test coverage for RFM1-400L / 1P.↗03RFM1-400 Series Test Report
RFM1-400 / 3300 / 4300 (3P / 4P)
The available report covers RFM1-400 3P / 4P configurations only. It does not establish certification or test coverage for RFM1-400L / 1P.↗04Download Original Chinese Test Report
RFM1-400 / 3300 / 4300 (3P / 4P)
The available report covers RFM1-400 3P / 4P configurations only. It does not establish certification or test coverage for RFM1-400L / 1P.↗05 — APPLICATION FIT
MATCH THE PRODUCT TO THE SYSTEM.
Application suitability depends on system voltage, current, breaking-capacity and installation requirements.
EV Conversion
Protection for purpose-built electric drivetrains and converted vehicle power systems.
Electric Motorcycles & Three-Wheelers
Protection planning for electric motorcycle and cargo three-wheeler retrofit power systems.
Solar + Energy Storage
Protection planning around photovoltaic, battery and power-conversion equipment.
Inverter Systems
High-current circuit protection close to inverter-based equipment.
OEM · PRIVATE LABEL
ONE PRODUCT PLATFORM. YOUR BRAND SYSTEM.
Build a coherent market-ready product with focused options for identity, packaging and configuration.
- 01OEM
- 02Private Label
- 03Customized Nameplate
- 04Side Label Customization
- 05Packaging Customization
- 06Current Rating Customization
PROJECT INQUIRY
TELL US WHAT YOUR SYSTEM NEEDS.
Share the application, current range, quantity and branding requirements for your project.