TK4730 AC/DC Portable Resistive Load

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The TK4730 is a versatile AC/DC portable resistive load designed for on-site verification and testing of EV charging stations. It integrates one standard AC socket and one DC charging socket, making it compatible with all major AC and DC EVSE testers. The TK4730 supports AC/DC 5 kW and AC/DC 10 kW rated power options, providing a stable, safe, and reliable load for field testing of charging performance, power output, and system protection functions.

Built for durability and mobility, the TK4730 ensures efficient field operations with rugged construction, wide temperature tolerance, multiple communication interfaces, and strong environmental adaptability.

General Specifications	TK4730-1	TK4730-2
Power Supply	Charging gun head power input; AC (220 ± 22) V, (50 ± 2) Hz
Temperature Performance	Working: -25°C ~ 55°C Storage: -30°C ~ 70°C
Humidity Performance	Working: < 80% @ 30°C; < 70% @ 40°C; < 40% @ 50°C Storage: < 80% RH, non-condensing
Altitude	< 3000 m
Communication Interface	RS232, CAN-BUS
Weight	15 kg	18 kg
Size (W × L × H)	330 × 325 × 300 mm	470 × 370 × 290 mm

Key Features

Portable AC/DC resistive load for EV charging station testing
Equipped with 1 AC socket and 1 DC charging port for versatile application
Available in AC/DC 5 kW and 10 kW power variants
Compatible with EV charger testers for on-site verification
Wide environmental tolerance for field use
Multiple communication interfaces: RS232 and CAN-BUS
Compact and rugged design for easy transportation
Supports efficient, accurate loading of AC and DC EV chargers
Designed for maintenance teams, field inspection departments, and metrology institutes
Stable load characteristics ensure reliable test results

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ONsys Technologies OPC Pvt Ltd was established in 2019 and has emerged as Indias preferred and leading supplier of precision test and measurement instrumentation, automated test systems, intelligent manufacturing systems, and test and automation turnkey solutions.Serve the increasing demand of Electronics and Electrical Test & Measurement equipment and customers application-based customized solutions of Indias rapidly growing Electronics Manufacturing industries. We supply, design, assemble, develop, and manufacture testing equipment, Automated Test Equipment (ATEs), Test Zig, and Test Benches as per requirement with highest global standards. To do this, ONsys invests heavily in sourcing, research, and development in order to offer great products with precision, reliability, and useful innovative test and measurement solutions for the technology industry.

TK4730 AC/DC Portable Resistive Load

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