PC Series – Liquid Level Control Relay 系列 - Littelfuse PC Liquid Level Control Relays Provide Superior Protection

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The PC series (PC-xxx-LLC-CZ and PC-xxx-LLC-GM) is a liquid level control relay used to control conductive liquid pumping operations in a pump-up or pump-down application. These relays come in two different voltage ranges and have an adjustable sensitivity knob (4.7-100 kΩ) that is set according to the resistance level at which you want the probes (sold separately) to sense the conductive liquid. They have a built-in debounce time delay that prevents the relay from energizing if the probe resistance momentarily goes above or below the sensitivity setpoint (due to liquid splashing in the tank). These units operate their internal relay based on inputs from a high and low probe and a common reference (when a conductive tank is used) or common probe (when a non-conductive tank is used).

:
•PC-xxx-LLC-CZ is compatible with Crouzet’s PNR & PNRU series liquid level control
•PC-xxx-LLC-GM is compatible with Gems’ series 16M general purpose control
•Must use model OT08PC or P1011-6 for UL rating. Manufacturer's recommended screw terminal torque for the OT series octal sockets is 12 in-lbs.

功能与特色

  • Debounce time delay (2 s)
  • Adjustable sensitivity (4.7–100 kΩ)
  • Dual-probe design (plus a common)

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Catalog #Input
Voltage (V)
Termination TypeMounting MethodDimensionsWeight (lbs/g)Debounce Time Delay (s)HumidityInput AC Line Frequency (Hz)Maximum Input PowerOutput Load Rating (VA)Sense VoltageSensitivity (Ohms)StockSamplesCompare
产品号输入
电压(V)
端接类型安装方法尺寸规格重量(磅/克)Debounce Time Delay (s)湿度Input AC Line Frequency (Hz)Maximum Input PowerOutput Load Rating (VA)Sense Voltage敏感度(欧姆)库存样品比较
PC-100-LLC-CZ 95 - 120 Vac扭矩: 12 in-lbs.;12 - 22 AWG单芯或绞合式DIN导轨或表面安装式(插入OT08-PC插座)1.75 H x 2.38 W x 4.13 D in. (44.5 x 60.3 x 104.8 mm)0公斤210 - 95% non-condensing per IEC 68-2-350 / 60 (50 will increase all delay timers by 20%)5Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac5 Vdc pulsed (probe)4.7 - 100 adjustable查看 Order
PC-100-LLC-GM 95 - 120 Vac扭矩: 12 in-lbs.;12 - 22 AWG单芯或绞合式DIN导轨或表面安装式(插入OT08-PC插座)1.75 H x 2.38 W x 4.13 D in. (44.5 x 60.3 x 104.8 mm)0公斤210 - 95% non-condensing per IEC 68-2-350 / 60 (50 will increase all delay timers by 20%)5Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac5 Vdc pulsed (probe)4.7 - 100 adjustable查看 Order
PC-200-LLC-CZ 190 - 240 Vac扭矩: 12 in-lbs.;12 - 22 AWG单芯或绞合式DIN导轨或表面安装式(插入OT08-PC插座)1.75 H x 2.38 W x 4.13 D in. (44.5 x 60.3 x 104.8 mm)0公斤210 - 95% non-condensing per IEC 68-2-350 / 60 (50 will increase all delay timers by 20%)5Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac5 Vdc pulsed (probe)4.7 - 100 adjustable查看 Order
PC-200-LLC-GM 190 - 240 Vac扭矩: 12 in-lbs.;12 - 22 AWG单芯或绞合式DIN导轨或表面安装式(插入OT08-PC插座)1.75 H x 2.38 W x 4.13 D in. (44.5 x 60.3 x 104.8 mm)0公斤210 - 95% non-condensing per IEC 68-2-350 / 60 (50 will increase all delay timers by 20%)5Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac5 Vdc pulsed (probe)4.7 - 100 adjustable查看 Order
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