ZB04 Wallbox EV Charger – 4.3" Display, Load Balancing, OCPP 1.6
Product Summary
The ZB04 US Edition is a commercial-grade Level 2 wallbox charger engineered for North American residential and commercial installations. It features a large 4.3-inch display, OCPP 1.6 protocol for backend management, and a built-in load balancing system that optimizes power
Product Custom Attributes
ZB04 Wallbox EV Charger with load balancing
,Wallbox EV Charger 4.3 inch display
,OCPP 1.6 Wallbox EV Charger
Basic Properties
Trading Properties
Product Description
Top Reasons US Installers and Property Managers Choose the ZB04
1. OCPP 1.6 Protocol – Built for Commercial Networks.
If you are managing multiple chargers across a property, OCPP 1.6 is essential. It allows you to integrate the ZB04 with any OCPP-compliant backend for billing, usage tracking, and remote diagnostics. This makes it ideal for apartment complexes, office buildings, hotels, and fleet depots.
2. Load Balancing Saves Thousands in Electrical Upgrades.
Installing multiple chargers usually means upgrading your electrical service. Not with the ZB04. Its built-in load balancing system dynamically distributes power among all connected chargers, keeping the total draw within your existing panel capacity. This can save thousands of dollars in infrastructure costs.
3. 4.3-Inch Display – Clarity at a Glance.
Large, bright, and readable in direct sunlight. It shows charging status, energy delivered, fault alerts, and real-time voltage/current. No app required for basic operation.
4. Multiple Authentication Methods.
Supports RFID card, APP, QR code, and plug-and-charge. Perfect for mixed-use properties where residents, employees, and visitors all need access. The ZB04 can be configured to require authentication or allow open charging.
5. ETL Listed to UL 2251 & UL 2594.
Tested by a Nationally Recognized Testing Laboratory. Accepted by US electrical inspectors, utility rebate programs, and insurance providers. No gray-market uncertainty.
6. 22kW Three-Phase Capability.
For commercial locations with three-phase power, the ZB04 delivers up to 22kW — significantly faster than standard single-phase 7kW chargers. This is ideal for fleet vehicles that need rapid turnaround.
7. Durable and Weatherproof.
IP65-rated for the wall unit and IP54-rated for the plugged connection. It operates from –30°C to +50°C, making it suitable for indoor garages and outdoor parking lots across all US climates.
8. Versatile Connectivity.
Supports RFID, WiFi, Bluetooth, 4G, and Ethernet. You can deploy the ZB04 in a basement garage with Ethernet or a remote lot with 4G — whatever your infrastructure allows.
Technical Specifications
| Model | ZB04-US |
| Product Type | AC Wallbox (fixed installation) |
| Connector | Type 1 (SAE J1772) – 5-pin |
| Installation | Wall-mounted (hardwired or NEMA 14-50 plug) |
| Operating Voltage | AC 240V ±15% (single-phase) / AC 208V (three-phase) |
| Operating Frequency | 60Hz ±1Hz |
| Rated Power | 7kW / 9.6kW / 11kW / 22kW |
| Rated Current | 32A / 40A / 48A / 32A (3-phase) |
| Adjustable Current Levels | 16A-20A-24A-32A / 16A-24A-32A-40A / 16A-24A-32A-48A |
| Display | 4.3-inch LCD |
| Authentication | RFID card, APP, QR code, plug-and-charge |
| Communication | RFID, WiFi, Bluetooth, 4G, Ethernet (OCPP 1.6) |
| Load Balancing | Built-in, dynamic power distribution |
| Operating Temperature | –30°C to +50°C |
| Operating Humidity | 5% ~ 95% RH (non-condensing) |
| Ingress Protection | IP65 (wall unit) / IP54 (plugged) |
| Leakage Protection | CCID20 (20mA DC) |
| Dimensions | 368mm × 256.5mm × 130mm |
| Weight | < 7.2 kg |
| Certifications | ETL & CETL, FCC Part 15, UL 2251, UL 2594, SAE J1772, CCID20, RoHS |
Certifications & Compliance
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ETL Listed — tested to UL 2251 and UL 2594 for EV charging equipment
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CETL Listed — recognized for Canadian market use
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FCC Part 15 — electromagnetic compatibility for US residential and commercial environments
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SAE J1772 — standard AC charging connector for North American EVs
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CCID20 — 20mA DC leakage detection, required for EV chargers in the US
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RoHS — restricted hazardous substances compliance
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IP65 / IP54 — weatherproof for indoor and outdoor installation
Who It’s For
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Property managers and landlords — Install multiple ZB04 units with load balancing to serve tenants without upgrading the electrical panel.
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Commercial property owners — Hotels, office buildings, retail centers, and parking garages can offer EV charging as an amenity with OCPP billing integration.
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Fleet operators — Depots can deploy ZB04 chargers with 4G/Ethernet connectivity and remote O&M for maximum uptime.
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EV dealerships — Provide Level 2 charging for customer vehicles and demo units.
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Homeowners with high-power needs — The 22kW three-phase model is ideal for homes with three-phase service (common in some US regions).
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Electrical contractors — A reliable, ETL-listed wallbox that inspectors accept and customers trust.
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