This invention relates to a electric fan with a auto-switch instead of manual-switch. Two thermal switchs control two series reed relay which are in series with the motor of fan and with each other. One of the self-hold reed relay is controlled by higher-temperature thermal switch. Owing ...
图1 手动正转控制 利用铁壳开关或胶盖瓷底刀开关的控制线路如图1所示。在一般工厂中使用的三相电风扇及砂轮机等设备常采用这种控制线路。图中QS-FU表示铁壳开关(或胶盖瓷底刀开关)。当合上铁壳开关,电动机就能转动,从而带动生产机械旋转。拉闸后,熔断器就脱离电源,以保证安全。 2采用转换开关的控制 转换开关控制...
This invention relates to electrical ignition apparatus, and more particularly to those which are used in connection with the fuel nozzles of an industrial... 被引量: 0发表: 0年 CYLINDRICAL, LINEAR, STOPLESS MERCURY SWITCH AND RELAY CYLINDRICAL, LINEAR, STOPLESS\nMERCURY SWITCH AND RELAY\nABST...
High accuracy of the time-retention circuits of this type is also ensured by supplying the time relay, realized in parallel of a semiconductor AC breaker, but in series to the electric load. The electric switch comprises a contact-less semiconductor AC breaker (1) connected in series to load...
Control Relay SCR Regulator Timer Relay Power Module Timer and Counter Power Relay Interface Relay Smart Relay DC Relay Overload Relay Automotive Relay Other Relay Signal Relay Reed Relay Communication Relay Limit Switch Micro Swtich Proximity Switch Foot Switch Toggle Switch DIP Switch Emergency Stop ...
--- :: SINGLE FAN WIRING KIT Function :: Prevents Voltage Drops and Electrical Overloads Relieves Wiring Headaches :: Yes Heavy Duty 40 Amp Relay :: Yes Relay Type :: 5-Pin SPDT Oxygen Free Copper :: Yes Plug N Play Harness :: Yes In...
Mechanical relay outputs for defrosting, compressor or fan Conforms CE standards Touch switch set Digital and LED indicate 0.5%FS accuracy Several head form 5s max Thermal response time B, E, J, K, N, S, T, WRe Thermocouple PT100, CU50, NTC RTD ...
Process for producing at least one functional region on the electrical contact member such as switch contacts and plug contacts The invention relates to a method for producing at least one functional region (1) on an electrical contact element (30) such as, for example, a switching contact or...
The electric tripping relay has an armature (1) that is made of ferromagnetic material. The legs of ferromagnetic pole element (2) are wounded with a coil (4). The permanent magnet (3) is arranged at the pole element. The armature is movably provided against the pole element. The surface...
rated current:200A;rated voltage:12V 24V;name:200A DC contactor;24V DC Contactor:Using 200A DC Contactor Relay Switch For Electric Forklift DC;products:200A DC Contactor Relay Switch For Electric Forklift DC;package:Corrugated boxes;used for:200A DC Co