power supply - Manufacturers, Suppliers & Exporters

Total 31492 products found
Colorful High Quality Safety Flexible LED Strip Light RGB SMD

LED soft strips 3528 and 5050 size chips for option,brightness and colorful,no infrared and ultraviolet radiation,working environmental protection. PC super-thin board,several pieces a mound,easy to DIY cut and connection. Size small width only 8mm(3528) and 10mm(5050). Flexible

Hubei Zhan-Qsing Science and Technology Co.,Ltd      [2014-12-10 20:08:46 ]

Popular Style Glass/ Milky Lamp Shade Transparent LED Candle Lamp

Characters 1 LED chip low power consumption, high efficiency , small brightness decay, warm white with downy light 2 Lamp shape PC cover the function of focusing and protecting light, good luminance uniformity, concise and beautiful outlook. 3 Heat dissipation device The lamp s

Hubei Zhan-Qsing Science and Technology Co.,Ltd      [2014-12-10 19:19:46 ]

VLF Very Low Frequency Tester

1.1Application The VLF Very low frequency Tester is applied in power cable and generator insulation test in power system 1.2Technical index 1 Max voltage output refer to table 1 2 Output frequency 0.1Hz, 0.05Hz, 0.02Hz 3 Measurement error < 3%RDG+0.3%FS 4. Positive and negative v

重庆格纳迪机电设备有限公司      [2014-12-07 08:10:34 ]

GDJB-III Relay protection Tester

1.1 Functions 1. DC voltage relay test 2. DC current relay test 3. AC voltage relay test 4. AC current relay test 5. High current injection 6 Time counter in relay test 1.2Technique index 1. DC voltage output 0~350V continuous adjustable, output capacity 960VA 2. AC voltage outpu

重庆格纳迪机电设备有限公司      [2014-12-07 08:08:46 ]

GDJB-PC Universal Relay System Tester

1.1Application GDJB-PC is applied to test the relay unit in relay protection system. At the same time GDJB-PC could be considered as a universal three phase AC/DC voltage source or current source. 1.2Functions 1 ) AC current and voltage based protection relay unit test 2) DC curr

重庆格纳迪机电设备有限公司      [2014-12-07 08:07:46 ]

ZGF DC High Voltage Generator

1.1 Application ZGF DC high voltage generator is DC high voltage power supply equipment which is applied in power cable test and arrester test in power system. 1.2 Technique index Model Item ZGF-60/2 ZGF-120/2 ZGF-120/5 ZGF-200/2 ZGF-300/2/3 ZGF- 200/400/2 Output Voltage 60kV 120

重庆格纳迪机电设备有限公司      [2014-12-07 08:06:02 ]

Insulation Resistance/Earth Resistance Test Set

1.1Application The tester GD2571 is applied to measure the earth resistance of equipments and conductive and resistance low resistance circuit in power system 1.2Technical parameters 1 Measurement range and error 0~1.999ohm <3%RDG+1D Resolution 0.001ohm 2~19.99ohm <1.5%RDG+1D Res

重庆格纳迪机电设备有限公司      [2014-12-07 08:04:30 ]

Insulation Resistance/Earth Resistance Test Set

Model List Model Measurement range General introduction GD2550 2500V/0 ~ 100G Ω ; 5000V/0 ~ 200G Ω ; Analog , Short Circuit Current 1mA GD2533 500V/0 ~ 20G Ω ; 1000V/0 ~ 40G Ω ; 2500V/0 ~ 100G Ω ; Analog, Short Circuit Current 1mA GD2000 2500V/0 ~ 100G Ω ; 5000V

重庆格纳迪机电设备有限公司      [2014-12-07 08:03:30 ]

GDGS Tan Delta Tester

1.1 Application GDGS automatic tan delta tester is applied to measure the dielectric loss and capacitor value of insulation materials in high voltage power equipment. The non-power frequency voltage source is integrated in the tester to avoid power frequency interference. That ma

重庆格纳迪机电设备有限公司      [2014-12-07 08:01:59 ]

GDKC-2000 Transformer Load Voltage Adjustment Switch Tester

1.1 General introduction The tester can record switch operation waveform in overall process. The longest time is 6.4s It can test various parameters such as transition waveform, transition time, transition resistance and three phase synchronization one time and analyze results au

重庆格纳迪机电设备有限公司      [2014-12-07 08:00:56 ]

GDZC Series Winding Resistance Tester

1.1Application GDZC Series winding resistance tester are applied to measure the DC resistance of inductance circuit such as power transformer coil, current transformer coil and so on. Also the tester could be applied to measure the cable resistance in 4-wire mode. 1.2Functions 1

重庆格纳迪机电设备有限公司      [2014-12-07 07:58:49 ]

Winding resistance tester GDZC-20A

Tester Introduction There are four DC currents to select for GDZC-20 which has a large output power , the power of the tester itself is very little. Used four lines, it is quick, stable, high precision for testing the winding resistance . In addition, it has a strong ability fo

重庆格纳迪机电设备有限公司      [2014-12-07 07:52:53 ]

GDGK-306 Circuit breaker analyzer

1 Main Functions 1) Test standard IEC62271 2) Closing and opening time measurement of 12 channels 3) Max difference of closing or opening time measurement of three phases 4) C-O and O-C time measurement 5) Rated operation sequence test 6) Bounce time and frequency measurement of

重庆格纳迪机电设备有限公司      [2014-12-07 07:49:41 ]

GDGK-303 Circuit Breaker Analyzer

1 Main Functions 1) Closing and opening time measurement of 12 channels 2) Max difference of closing or opening time measurement of three phases 3) Bounce time and frequency measurement of breaker closing 4) Circuit breaker closing and opening speed measurement 5) Travel-time, Co

重庆格纳迪机电设备有限公司      [2014-12-07 07:48:51 ]

GDKZ-IV Vacuum Degree Tester

1.1 Application GDKZ-IV vacuum tester is applied to measure the arc interrupter vacuum degree of vacuum circuit breaker. It is to operation and all the test results could be printed by the micro printer. 1.2 Technique index 1 Measurement range 10 -5- 10 -1 Pa 2 Max measurement er

重庆格纳迪机电设备有限公司      [2014-12-07 07:46:25 ]

Circuit breaker analyzer GDGK-307

1 Technique index 1) Power supply AC220V ± 10% 50Hz ± 10% 2) Temperature - 10~40 ℃ humidity <80% 3) Insulation resistance >2Mohm, 1.5kv voltage withstand 1minute no breakdown. 4) Time measurement range 400ms, resolution 0.1ms Time measurement error <0.2ms 5) Speed measureme

重庆格纳迪机电设备有限公司      [2014-12-07 07:43:47 ]

Contact resistance tester GDHL-200A

1 General introduction Contact resistance tester output DC 200A/100A current to test the contact resistance of circuit breaker or high current cable contacts. It is designed according to IEC62271. The main application of the tester is measurement of circuit breaker contact resist

重庆格纳迪机电设备有限公司      [2014-12-07 07:41:44 ]

SLQ Primary Current Injection Test Set

1.1 Application SLQ primary injection test set is a high current generator instrument. It is applied in current transformer test , circuit breaker test and so on. 1.2 Technique index Type capacity(KVA) Power supply Output Impedance voltage % Idle current % Mode Booster Conver

重庆格纳迪机电设备有限公司      [2014-11-30 03:21:17 ]

CT tester GDVA-403

1.1 Application Tests for current transformer 1)Excitation curve and parameters test 2)Turns ratio test 3)Ratio and phase error test 4)Polarity mark check 5)Coil resistance measurement 6)Secondary loop burden measurement 7)Error line curve test for protection CT 8

重庆格纳迪机电设备有限公司      [2014-11-30 03:20:22 ]

CT PT analyzer GDVA-404

1.1 Application Tests for Current Transformer 1 ) Excitation curve and parameters test 2 ) Turns ratio test 3 ) Ratio and phase error test 4 ) Polarity mark check 5 ) Winding resistance measurement 6 ) Secondary loop burden measurement 7 ) Error line curve test for

重庆格纳迪机电设备有限公司      [2014-11-30 03:16:58 ]