DETECTOR, FIRE PROTECTION; TYPE: INFRARED, TEMPERATURE RANGE: -40 DEGREE CELCIUS MINIMUM OPERATING, 75 DEGREE CELCIUS MAXIMUM OPERATING, POTENTIAL: 24 VOLT DIRECT CURRENT, CURRENT: 4-20 MILLI AMPERE, STANDARD: ATEX, DRAWING NO: 822-XS-971561-SP REV 0, FFT: ACTION: SPDT/SPDT, ENCLOSURE: NEMA 4X, CLASSIFICATION: EEXD IIC T4-T6, TEXT SELECTION: MANUAL, VERTICAL VIEW: 75 DEGREE, HORIZONTAL VIEW: 90 DEGREE, RESPONSE TIME: N-HEPTANE : 9 SECOND, METHANE : 5.5 SECOND, MPN code: 2001048225, Manufacture Part No: X3301A4M23T2, Mfr Country: US, Mfr Name: DET-TRONICS