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                    Pulse-width modulation Pulse-width modulation (PWM) is a common method of controlling computer fans. A PWM-capable fan is usually connected to a 4-pin connector (pinout: Ground, +12 V, sense, control). The sens...
 
                    ..., relay, head of magnetic recording device, zero sequence current transformer, power converter, precision current transformer, magnetic amplifier, power transformer, choke, pulse transformer, change polarity...
 
                    ..., relay, head of magnetic recording device, zero sequence current transformer, power converter, precision current transformer, magnetic amplifier, power transformer, choke, pulse transformer, change polarity...
 
                    .... For outdoor use, use aluminum die-casting material body. (2) A timer controller for quick opening and closing of valve and a waterproofed, up to 180'C heat resistance coil are used. (3)Diaphragm is manufac...
 
                    ... of acupuncture points, massage(TENS),acupuncture(electro-needle therapy) and magneto-therapy. These units are equipped with built-in timer and can perform 5 different kinds of waveform and each waveform is ...
 
                    ... of acupuncture points, massage(TENS),acupuncture(electro-needle therapy) and magneto-therapy. These units are equipped with built-in timer and can perform 5 different kinds of waveform and each waveform is ...
 
                    ... multi-station relay based on remote take-off and landing technology can achieve 4000km DW-60B modular load compartment in front of the body, suitable for tower loading Inspection equipment such as three-lig...
 
                    ...-dry combustion & anti-frozen protection; 5. Anti-wind flow back device; 6. Accidental flameouts safety device; 7. 20' minute timer; 8. Temperature controller & cold/hot water switch; 9. Pulse ignition with ...
 
                    ... flame-out protection * 20min timer protection * Anti-dry burning Product Description Exhaust Way Open Flue Type Panel Material Glass Panel Color All Color will be avaliable Heat Exchanger 0.8-4.0KG Ignition...
 
                    ... protection 3- Accidental flame-out protection 4- 20min timer protection 5- Anti-dry burning Product Description Heat Exchanger 0.8-4.0KG Ignition Model Automatic elecrical pulse ignition Heat Efficiency ≥84...
 
                    ...20min timer protection *Anti-dry burning Product Description Exhaust Way Open Flue Type Capacity 10L Panel Material White coated Color All Color will be avaliable Suitable Water Pressure 0.025-0.8Mpa Ignitio...
 
                    ... 5. 20min timer protection 6. Anti-dry burning Product Description Exhaust Way Flue Type Capacity 10L Color All Color will be avaliable Suitable Water Pressure 0.025-0.8Mpa Ignition Model Automatic elecrical...
 
                    .... 2. Flame out failure protection, anti-dry burning protection,Overheat and flue-blockage protection,Optional winter and summer adjustment,Pulse automatic ignition with optional 20 mins timer shutdown protec...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...
 
                    ... & controlling AC motor. AC ContactorCombined with the auxiliary contact block, timer delay & mechanical interlock device, etc,it becomes the delay contactor, mechanical interlock contactor, star-delta start...