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{"title":"4.3" Display Wallbox EV Chargers with Load Balancing System OCPP 1.6 Protocol","imgUrl":"https:\/\/img.chinax.com\/nimg\/76\/fc\/4f09a3d54c56d92c7902cfd6d15e-200x200-1\/4_3_22_display_wallbox_ev_chargers_with_load_balancing_system_ocpp_1_6_protocol_zb04.jpg","attrs":{"Place of Origin":"PRC","Type":"Electric Vehicle Charger","Delivery Time":"25~35 days","Operatingtemperaturerange":"-25\u00b0C to 45\u00b0C"}}
{"title":"ZB09 Wallbox EV Chargers OCPP 1.6 Protocol 7KW 9KW 11KW 250-480VAC","imgUrl":"https:\/\/img.chinax.com\/nimg\/5a\/60\/f09303c840d2faab07e3e888791c-200x200-1\/zb09_wallbox_ev_chargers_ocpp_1_6_protocol_7kw_9kw_11kw_250_480vac.jpg","attrs":{"Chargingpower":"3.7 kW to 22 kW","Minimum Order Quantity":"100 units, can be flexible","Operating Temperature":"-30\u2103~+50\u2103","Output Power":"7KW\/9KW\/11KW"}}
{"title":"ZB09 11kW 16A Electric Vehicle Charging Station with Multi Intelligent Detection","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/11\/8988ae1d25563f29ef390496bc1b-200x200-1\/zb09_11kw_16a_electric_vehicle_charging_station_with_multi_intelligent_detection.jpg","attrs":{"Delivery Time":"25~35 days","Charging Type":"Mode 3","Rated Output Current":"32A","Place of Origin":"PRC"}}
{"title":"ZB04 Wallbox EV Charger \u2013 4.3" Display, Load Balancing, OCPP 1.6","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/55\/a1e4f22826c73b4a696500f52d6f-200x200-1\/zb04_wallbox_ev_charger_e2_80_93_4_3_22_display_2c_load_balancing_2c_ocpp_1_6.jpg","attrs":{"Delivery Time":"25~35 days","Operatingtemperaturerange":"-25\u00b0C to 45\u00b0C","Dimensions":"Varies by model, typically compact design","Model Number":"ZB04"}}
{"title":"ZB09 US Commercial EV Charger \u2013 3" Round Screen, OCPP, ETL Listed, 22kW","imgUrl":"https:\/\/img.chinax.com\/nimg\/f1\/7b\/ff2512437514729179c2dffe3557-200x200-1\/zb09_us_commercial_ev_charger_e2_80_93_3_22_round_screen_2c_ocpp_2c_etl_listed_2c_22kw.jpg","attrs":{"Delivery Time":"25~35 days","Protection Rank":"IP65","Rated Power":"7KW\/11KW","Model Number":"ZB09"}}
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The ZB04 Global Edition is a high-performance, networked AC wallbox engineered for commercial properties, apartment complexes, and fleet depots across North America and Europe. Unlike basic home chargers, it is built to manage power intelligently and communicate seamlessly with backend systems.
Available with Type 1 (SAE J1772) for the US and Type 2 (IEC 62196-2) for Europe, the ZB04 features a bright 4.3-inch display and supports up to 22kW of three-phase power. What truly sets it apart is its OCPP 1.6 protocol and built-in load balancing. Property managers can dynamically distribute available electricity across multiple chargers, preventing breaker trips and avoiding costly panel upgrades. With multiple authentication options (RFID, APP, QR code, plug-and-charge) and flexible connectivity (4G, Ethernet, Wi-Fi), the ZB04 is the ultimate scalable infrastructure solution for the global EV transition.
Key Features
Smart Load Balancing — Dynamically distributes power across multiple chargers to prevent grid overload and save on electrical infrastructure upgrades.
OCPP 1.6 Protocol — Enables seamless integration with any OCPP-compliant backend for billing, access control, and remote monitoring.
Two Connector Options — Type 1 (SAE J1772) for the US; Type 2 (IEC 62196-2) for Europe.
Type A+DC6mA (CN) / Type A RCBO AC 30mA + 1Δdc 6mA (EU) / CCID20 (US)
Dimensions
368mm × 256.5mm × 130mm
Weight
< 7.2 kg
Installation & Electrical Requirements
The ZB04 is designed for fixed installation. It can be connected in two ways, depending on your region and power needs:
Option 1: Plug-in Installation (Simplest for 7kW / 9.6kW)
US: NEMA 14-50 or 6-50 outlet.
EU: CEE 32A (blue) or hardwired.
Option 2: Hardwired Installation (Required for 22kW / 3-phase)
US: Direct wire to a dedicated breaker (recommended for 48A or 208V 3-phase).
EU: Direct wire to a 400V 3-phase distribution board.
Always consult a licensed electrician for hardwired installations.
Frequently Asked Questions
Q1: What is Load Balancing and why do I need it?
Load balancing dynamically adjusts the power output of multiple chargers so they don't exceed the total capacity of your electrical panel. If you install four 11kW chargers on a 100A panel, load balancing ensures they share the power safely without tripping breakers or requiring a costly panel upgrade.
Q2: Does this charger support OCPP 1.6?
Yes. The ZB04 is fully OCPP 1.6 compliant, meaning it can communicate with any OCPP-certified backend software for billing, access control, and monitoring.
Q3: Can I install this outdoors?
Yes. The ZB04 features IP65 protection for the main unit and IP54 for the plugged connection. It is designed for both indoor parking garages and outdoor commercial lots.
Q4: What is the difference between the US and EU versions?
The US version uses Type 1 (SAE J1772) connectors, 240V/208V power, and ETL/UL certifications. The EU version uses Type 2 (IEC 62196-2) connectors, 230V/400V power, and CE/TÜV certifications.