Công Tắc Nhiệt ECM-C-12 – Rờ Le Nhiệt
RATINGS
Operating/control voltage …………………………. 120/208/240 Vac
Operating ambient range …………-60°C to 55°C (-76°F to 131°F)
Minimum ambient storage range……………………..-74°C (-100°F)
Control switch type options…………………………… SPST and DPST
Switching current ratings 1
SPST ………….30/30/20 amps 25°C, 40°C, 55°C (77°F, 104°F, 131°F)
DPST………….28/23/17 amps 25°C, 40°C, 55°C (77°F, 104°F, 131°F)
Alarm output current rating …………………………………………… 2 A
Electrical connection …………………………………..terminal blocks 3
Adjustable temp. control range………..0°C to 500°C (32°F to 932°F)
Measurement range …………………-60°C to 500°C (-76°F to 932°F)
Measurement accuracy (ambient)
± 1°C (0°C to +55°C) ± 1.8°F (32°F to +131°F)
± 2°C (0°C to -60°C) ± 3.6°F (32°F to +131°F)
Temperature sensor(s)……….100 Ohm three wire Platinum RTD
High temp. alarm/trip…………………………………… programmable
(auto or manual reset)
RTD input circuitry ……………………………….intrinsically safe (Ex i)
Life expectancy ……………………………………………. 250,000 cycles