TK4960 DC Charging-Power Calibration Adapter
TK4960 DC Charging-Power Calibration Adapter

TK4960 DC Charging-Power Calibration Adapter

The TK4960 is a precision-engineered DC charging-power calibration adapter designed for metrology laboratories and EV charger testing facilities. Equipped with dual DC charging sockets compliant with GB/T 20234.3-2015, it enables accurate calibration of non-vehicle DC charger testers using high-precision DC standard power sources. Compatible with devices like TUNKIA TD1320, TK4810, and other third-party testers, the TK4960 ensures reliable, stable, and safe calibration performance in demanding EV charging environments.

Parameter Specification
Working Current Rated Working Current: 250 A
Insulation Resistance 500 MΩ @ 1000V DC (room temperature)
Insulation Withstand Voltage DC+, DC− & PE > 2500V AC
DC+ & DC− > 2500V AC
Working Temperature -30°C ~ 50°C
Storage Temperature -30°C ~ 70°C
Operating Humidity < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C
Storage Humidity < 80% RH, non-condensing
Altitude < 3000 m
Device Mass Approx. 10 kg

Key Features

  • Dual DC charging sockets compliant with GB/T 20234.3-2015
  • Ideal for calibration of EV DC charger testers such as TD1320 & TK4810
  • Supports high-current calibration up to 250 A
  • High insulation resistance ensuring safe high-voltage operation
  • Wide working and storage temperature range for field or lab use
  • Compact and lightweight design for easy transport
  • Robust construction for reliable long-term use in metrology labs
  • Maintains accuracy when used with high-precision DC power sources
  • Meets requirements for EV charging infrastructure testing