Overload Protected EV Consumer Unit Wall Mounted For Residential EV Power System

Specifications
Mountingtype: Wall Mounted Protectiontype: RCD And MCB
Type: Electrical Distribution Unit Operatingtemperaturerange: -25°C To +40°C
Productname: EV Consumer Unit Weight: 2.5kg
Standardscompliance: IEC 61439, IEC 61008 Dimensions: 300mm X 250mm X 120mm
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Overload Protected EV Consumer Unit

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EV Consumer Unit Wall Mounted

Product Description
Overload Protected Sturdy EV Consumer Unit For Residential EV Power System
Product Overview

Accelerate your home charging capabilities safely with our premium Overload Protected Sturdy EV Consumer Unit. Specifically engineered for residential Electric Vehicle (EV) power systems, this heavy-duty sub-panel acts as a dedicated safety bridge between your home's main electrical grid and your EV charging station.

With EV chargers drawing sustained high-amperage current for hours at a time, standard domestic circuits can easily become overloaded or overheat. Our dedicated EV consumer unit is purpose-built to handle these continuous thermal and electrical loads. Featuring advanced overload, short-circuit, and earth-leakage protection, this sturdy enclosure guarantees absolute operational safety, protecting both your household grid and your vehicle's sensitive battery management system.

Technical Specifications
Parameter Specifications & Standards
Product Type Dedicated EV Charging Consumer Unit / Sub-Panel
Ingress Protection IP65 Weatherproof (Suitable for indoor & outdoor installation)
Enclosure Material High-Impact, Thickened ABS Body + Polycarbonate (PC) Cover
Impact Resistance IK08 Rated (High mechanical shock protection)
Protection Modules Pre-installed Type A / Type B RCD + MCB (Overload Protection)
Rated Current (Iₙ) Available in 32A / 40A / 63A Configurations
Rated Voltage (Uₙ) 230V / 400V AC (Single Phase / Three Phase Compatible)
Flame Retardancy UL94-V0 Grade (Self-extinguishing housing)
Certifications CE, UKCA, RoHS, IEC 61439-3 Standard Compliant
Overload Protected EV Consumer Unit technical diagram and installation overview
Core Features & Engineering Advantages
1. Dedicated Overload & Short-Circuit Protection

Equipped with premium Miniature Circuit Breakers (MCBs), the unit instantly trips and isolates the power supply if the EV charger draws excessive current or experiences a short circuit. This targeted isolation prevents your main household breaker from tripping, ensuring the rest of your home remains powered during an EV charging fault.

2. Specialized DC Leakage Protection (Type A / Type B RCD)

EV charging systems can generate smooth DC fault currents that standard home safety switches cannot detect. Our specialized consumer unit features advanced Residual Current Devices (RCDs) that detect both AC and DC leakage currents. This critical safety layout eliminates the risk of electrical blinding and protects users against lethal electrical shocks.

3. Sturdy IK08 & IP65 Weatherproof Enclosure

Designed for durability, the housing is molded from thickened, industrial-grade ABS. With an IK08 impact rating, it easily withstands accidental bumps from vehicles or tools in busy garages. The IP65 waterproof rating and continuous silicone sealing gasket make it fully safe for outdoor installation next to driveway charging bays, completely blocking out heavy rain, snow, and airborne dust.

4. Thermal Stability for Sustained High Loads

Charging an EV is equivalent to running multiple heavy appliances simultaneously for 6 to 10 hours. This unit is engineered with optimized internal spacing and high-temperature resistant copper busbars to prevent thermal buildup, ensuring stable, continuous power delivery at maximum amperage without degradation.

Targeted Application Scenarios
  • Residential EV Charging Hubs: The mandatory safety interface for Wallbox, Tesla, and other major Level 2 (7.4kW to 22kW) residential smart chargers.
  • Outdoor Driveway Charging Stations: Provides a secure, UV-stabilized, weatherproof sub-panel directly at the point of vehicle connection.
  • Garage & Carport Power Upgrades: Isolates the high-draw EV charging grid from domestic lighting and socket circuits for balanced load management.
Installer-Friendly Setup Details
  • Pre-Wired Internal Layout: Comes pre-fitted with a 35mm DIN rail, neutral/ground brass terminal blocks, and internal link wires, drastically reducing on-site installation time for electricians.
  • Multi-Size Knockouts: Top, bottom, and rear panels feature pre-formed knockout paths for clean integration with standard electrical conduits and waterproof cable glands.
  • Lockable Protective Cover: Features a transparent PC window with a secure snap-lock latch to prevent unauthorized setting changes or accidental contact with internal live components.
Frequently Asked Questions (FAQ)
Q: Why can't I just connect my EV charger directly to my existing household distribution box?

A: EV chargers place a massive, continuous load on your home's electrical infrastructure. A dedicated EV consumer unit ensures that if an overload or fault occurs during vehicle charging, only the vehicle circuit isolates. It also provides the specialized DC leakage protection that older household panels lack, keeping your home compliant with modern electrical codes.

Q: Does this consumer unit support 3-phase fast charging?

A: Yes. We offer both single-phase (7.4kW/32A) and three-phase (22kW/32A or up to 63A) modular configurations depending on your residential power supply and charger specifications.

Q: What is the benefit of a Type B RCD option in this unit?

A: Many modern EV manufacturers specify the need for Type B protection because it can detect high-frequency AC and pure smooth DC leakage currents, which are common in vehicle inverters. It offers the highest tier of protection available for EV infrastructure.

Contact Details
Xiamen Rongmai Electrical Equipment Co., Ltd.

Contact Person: Mr. Tan

Tel: 86--8615960356367

Send your inquiry directly to us
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