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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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ATC Temperature / PID Controller

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Automatic Timing & Controls (ATC) Model ATC550 TC/PID Controller 1/16 DIN

The ATC550 on/off PID temperature controller comes standard with a dual 4 digit 7 segment led display,TC / RTD input, two setpoints, celsius and fahrenheit selectable scale, field selectable control output (relay or SSR), auxiliary output (relay or SSR depending on model), led indicators, 1/16 din (48 x 48 mm) housing, contact ratings of 5a @ 230vac / 30vdc resistive for control and alarm, a 12vdc SSR drive and a supply operating voltage range of 85 to 270 vac/dc (50/60Hz). The ATC550 series is UL approved and CE certified.

• Dual 4-digit, seven segment LED display
• PID & On/Off control
• Thermocouple and RTD input
• °C / °F selectable
• Two setpoints
• Field selectable Control Output (Relay or SSR)
• Auxiliary Output - factory installed Relay or SSR
• 1/16 DIN Case, IP65 Front


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ATC550S0000 ATC550 Temperature Controller with Aux Relay output
ATC550S10000 ATC550 Temperature Controller with Aux 12VDC SSR output
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