Equipment

Professional Grade Electrical Equipment & Solutions

Circuit Breaker Tester

Circuit Breaker Tester

High-voltage circuit breaker testing and analysis
Contact resistance measurement
Timing and synchronization verification
Trip coil current measurement
Motion analysis and travel recording
Comprehensive test reports and diagnostics

Transformer Turn Ratio Tester

Transformer Turn Ratio Tester

Automatic turn ratio measurement
Excitation current testing
Phase angle and polarity detection
Winding configuration identification
Internal fault detection
Fast testing with accurate results

CT PT Tester

CT PT Tester

CT ratio and polarity testing
PT ratio and burden measurement
Excitation curve plotting
Knee point voltage detection
Accuracy class verification
Built-in database and reporting

Primary Current Injection Test Set

Primary Current Injection Test Set

High current output up to 1000A
Protection relay testing and verification
Circuit breaker tripping tests
Contact resistance measurement
Overload and short circuit testing
Portable design with digital display

Transformer Capacity Tester

Transformer Capacity Tester

Transformer capacity measurement
No-load and load loss testing
Efficiency calculation
Short circuit impedance measurement
Vector group identification
Comprehensive test data storage

PW460 Relay Test Kit

PW460 Relay Test Kit

Multi-channel voltage and current outputs
Overcurrent and distance protection testing
Differential and directional relay verification
Automatic test sequence generation
Real-time waveform monitoring
Built-in relay library and templates

Vacuum Switch Tester

Vacuum Switch Tester

Vacuum integrity testing up to 40.5kV
Contact wear assessment
Leakage current measurement
Breakdown voltage detection
Non-invasive testing method
Pass/fail indication with alarm
Portable and easy to operate
Data logging and trend analysis
Prevents catastrophic failures

Megger DlRO200

Megger DlRO200

Low resistance measurement (0.1 mOhm to 2 Ohm)
High test current (200A or 10A)
Busbar and switchgear testing
Weld quality verification
Cable and connector resistance
Automatic temperature compensation

KYORITSU 3007A INSULATION TESTER

KYORITSU 3007A INSULATION TESTER

Test voltage: 250V / 500V / 1000V
Insulation resistance ranges: 20 / 200 / 2000 MOhm
Nominal test current: 1 mA DC minimum
Output short-circuit current: approx. 1.5 mA DC
Continuity ranges: 20 / 200 / 2000 Ohm; open-circuit 7-12V DC
AC voltage measurement range: 0-600V AC

Coming Soon

Kingrun JTR-50S

Fully automatic transformer turn ratio testing
Wide measurement range up to 50,000:1
Built-in tap changer position detection
Excitation current and phase deviation measurement
Three-phase testing with automatic sequence
Large LCD display with multilingual interface

Coming Soon

Megger MIT1525

Insulation resistance testing up to 15kV
Multiple test voltages: 250V to 15kV
Polarization Index (PI) and DAR measurement
Step voltage and ramp test modes
Capacitance and voltage detection
Automatic discharge and safety features

Coming Soon

Trax 220

Circuit breaker analyzer for medium and high voltage
Timing analysis with microsecond accuracy
Contact resistance measurement (dual current)
Motion and travel curve recording
Coil current analysis and monitoring
Comprehensive test reports with graphical display

Coming Soon

Megger SMRT1

Single-phase relay test system
Voltage and current injection testing
Overcurrent, differential, and distance relay testing
Pre-programmed test sequences and templates
Real-time waveform capture and analysis
Comprehensive test documentation and reporting

Let's Work Together

Sunduwan strives for growth and new opportunities.

Contact Info

Phone: (+6) 088-274114

Email: admin@sunduwan.com.my

Locations

KK Times Square (Head Office):
KK Times Square, Block K, Unit 61-1,
Off Coastal Highway,
Sabah Malaysia
88100 Kota Kinabalu