DT-9054 RCD/GFCI Tester | 650mA Trip Current | 450ms Delay Test | Zero Cross Circuitry

DT-9054 RCD/GFCI TESTER

Professional Residual Current Device and Ground Fault Circuit Interrupter Tester

The DT-9054 is a professional RCD/GFCI tester designed for accurate testing of residual current devices and ground fault circuit interrupters. With fully programmed operation, digital readout of tripping parameters, and comprehensive testing capabilities, this instrument provides reliable verification of electrical protection device performance.

Key Features:

Advanced Testing Functions:

• Fully programmed operation for simplified testing procedures

• Accurate digital read out of tripping time and current

• 450ms readout for testing latest delay action breakers

• Two LED lamps give quick check for correct wiring

• Compact, lightweight and simple to operate design

• Zero cross circuitry permits testing at 0° and 180° portion of sine wave

Comprehensive Testing Capabilities:

• Trip current testing at multiple settings: 10mA, 30mA, 100mA, 300mA, 500mA, 650mA

• Trip time measurement with 0-300ms range

• Ramp test function: x0.4 to 1.1 times nominal rated current

• Digital display of both trip time and trip current

Technical Specifications:

Electrical Specifications:

• Operational voltage: 195V - 253V / 45 - 65Hz

• Trip current settings: 10mA, 30mA, 100mA, 300mA, 500mA, 650mA

• Trip current measurement accuracy: ±10% ±2 digits

• Trip time ranges: 0ms – 300ms

• Trip time accuracy: ±5% ±3 digits

• Ramp test: x0.4 to 1.1 times nominal rated current, accuracy ±10%

Physical Specifications:

• Size: 200mm x 70mm x 45mm (H x W x D)

• Weight: 253g (lightweight and portable)

Testing Functions:

1. Standard Trip Testing:

• Tests RCD/GFCI at preset current levels

• Measures exact trip time in milliseconds

• Verifies compliance with required trip times

• Tests at both 0° and 180° points of AC waveform

2. Ramp Testing:

• Gradually increases test current from 0.4x to 1.1x nominal rating

• Determines actual trip current threshold

• Identifies marginal protection device performance

• Helps predict device condition and remaining life

3. Delay Action Testing:

• Special 450ms testing mode for delay-type breakers

• Tests S-type and selective RCDs

• Verifies proper delayed tripping characteristics

• Ensures compatibility with equipment having leakage current

4. Wiring Verification:

• Two LED indicators for quick wiring check

• Identifies correct phase-neutral-earth connections

• Prevents testing on incorrectly wired circuits

• Enhances testing safety and accuracy

Professional Applications:

RCD/GFCI Compliance Testing:

• New installation verification and certification

• Periodic inspection and testing requirements

• Compliance with electrical safety standards

• Documentation for regulatory compliance

Electrical Maintenance:

• Preventive maintenance of protection devices

• Troubleshooting nuisance tripping issues

• Performance verification after electrical work

• Quality control in electrical installations

Equipment Testing:

• Testing of fixed RCD protection in distribution boards

• Portable RCD adapter testing

• GFCI receptacle verification

• Equipment leakage protection assessment