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SCR19Z-M-220_SCR19Z-M-480功率控制器美國OMEGA歐米茄

價  格:詢價

產  地:美國更新時間:2020-10-28 11:55

品  牌:歐米茄型  號:SCR19Z-M-220

狀  態:正常點擊量:2077

400-006-7520
聯系我時,請說明是在上海非利加實業有限公司上看到的,謝謝!

上海非利加實業有限公司

聯 系 人: 上海非利加實業有限公司

電   話: 400-006-7520

傳   真: 400-006-7520

配送方式: 上海自提或三方快遞

聯系我時請說在上海非利加實業有限公司上看到的,謝謝!



SCR19Z-M-220_SCR19Z-M-480功率控制器美***OMEGA歐米茄

SCR19 SCR Power Controllers Extend Heater Life Reducing Thermal Shocks

Zero Crossing or Phase Angle Fired

Single or Three Phase Load Switching

No Maintenance All Solid State Components

Close Control of Low Mass Heaters

Phase Angle with Soft Start for High Inrush Heaters

No Relay Noise Contact Arc Noise Eliminated

Semiconductor I2T Fusing

Optically Isolated Control Signal Input



產品參數

SCR19Z-M-220_SCR19Z-M-480功率控制器美國OMEGA歐米茄

SCR19系列控制器提供兩種比例控制方法-零電壓切換和相位角點火。在零電壓切換模式下,控制器打開交流電源電壓的完整循環。觸發電路設計為盡可能接近交流正弦波穿過零點的點打開SCR。實際上,線路電壓是開著和關著的,并在整個循環中施加到加熱器上。




當輸入為4至20 mA時,Heter控制器的輸出將在4 mA以下關閉,在20 mA時完全打開。比例作用是通過改變循環次數來實現的。輸出將從低輸入時的一個循環打開和九個循環關閉到最大輸入時的所有循環打開。




SCR19可控硅功率控制器的輸出由加熱器集成,加熱器產生與輸入信號直接變化的平滑比例熱輸出。在相位角點火模式下,通過控制全交流正弦波每半個周期的開啟(點火)點來控制負載功率。



產品介紹

SCR19Z-M-220_SCR19Z-M-480功率控制器美***OMEGA歐米茄

SCR19 SCR Power Controllers Extend Heater Life Reducing Thermal Shocks

Zero Crossing or Phase Angle Fired

Single or Three Phase Load Switching

No Maintenance All Solid State Components

Close Control of Low Mass Heaters

Phase Angle with Soft Start for High Inrush Heaters

No Relay Noise Contact Arc Noise Eliminated

Semiconductor I2T Fusing

Optically Isolated Control Signal Input


The SCR19 Series SCR Power Controllers are designed to proportion electric power to resistive loads only, such as ovens, furnaces, heat sealers, etc. (NOTE: They are not designed to drive transformers or any inductive load.) 


These heater controllers consist of power semi-conductors (SCRs), properly-sized heat sinks, trigger circuitry, and fuses supplied on panels for surface mounting. The SCR power controller accepts a 4 to 20 mA dc output from a temperature controller or can be supplied with manual option using a remote potentiometer. 


The SCR19 Series controllers offers two methods of proportional control – Zero-voltage-switched and Phase-angled-fired. With the Zero-voltage-switching mode, the controller switches on complete cycles of the ac supply voltage. The trigger circuit is designed to turn on the SCRs as close as possible to the point where the AC sine wave crosses through zero. In effect, the line voltage is turned on and off and applied to the heaters in whole cycles. 


With an input of 4 to 20 mA, the output of the heter controller will be off below 4 mA and full on at 20 mA. Proportioning action is obtained by varying the number of cycles on to the number of cycles off. The output will vary from one cycle on and nine cycles off at low input, to all cycles on at maximum input. 


The output of the SCR19 SCR power controllers is integrated by the heaters which produce a smoothly proportioning heat output that varies directly with the input signal. With the Phase-angle-fired mode, the power to the load is controlled by governing the point of turn on (firing) of each half cycle of the full AC sine wave.




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