Trade4asia EV Charger Tester and Loads TK4710 DC Adjustable Resistance Load

TK4710 DC Adjustable Resistance Load

EV Charger Tester and Loads

The TK4710 is a high-performance DC adjustable resistive load designed for accurate on-site calibration and verification of DC fast chargers for electric vehicles. Available in 20 kW, 30 kW, and 60 kW power variants, the unit supports DC voltages up to 1000 V with adjustable current capability, making it suitable for metrology institutions, charger manufacturers, and field service teams.

The front panel is equipped with a standard DC charging socket, allowing seamless integration with DC charger testers and metrology equipment. With powerful forced-air cooling, robust protection mechanisms, and optional cascading support on higher-power models, the TK4710 series offers a reliable and efficient solution for EV DC charger load testing.

Specification of TK4710 DC Adjustable Resistance Load

Model	TK4710-20kW-1000V	TK4710-30kW-1000V	TK4710-60kW-1000V
Rated Power	20 kW @1000V / 500V	30 kW @1000V / 500V	60 kW @1000V / 750V / 500V
Operation Ranges	0–1000 V / 0–40 A	0–1000 V / 0–60 A	0–1000 V / 0–120 A
Minimum Current Step	Current is continuously adjustable
Heat Dissipation	Forced air cooling
Protection	Overvoltage protection, short circuit protection, abnormal wind speed protection
Alarm	Alarm indicator light + emergency stop switch
Power Expansion	Not supported	Supports cascading	Multiple cascades supported (e.g., 2 × 60 kW = 120 kW)
Dimension (W × D × H)	490 × 200 × 493 mm	650 × 240 × 520 mm	610 × 550 × 590 mm
Weight	Approx. 23 kg	Approx. 35 kg	Approx. 66 kg

Key Features

High-accuracy DC adjustable resistive load designed for EV DC charger calibration.
Available in multiple power levels: 20 kW, 30 kW, and 60 kW.
Supports up to 1000 V DC input for wide compatibility with fast chargers.
Continuously adjustable current for flexible testing conditions.
Standard DC charging socket for effortless field connection.
Forced-air cooling system ensures stable long-duration operation.
Advanced protection: overvoltage, short circuit, abnormal airflow detection.
Built-in alarm indicator and emergency stop switch for enhanced safety.
Cascading support on 30 kW and 60 kW models for high-power applications.
Durable structure with compact dimensions suitable for on-site testing.
Ideal for charger manufacturers, service engineers, and metrology departments.
Reliable performance even under heavy-duty industrial environments.