| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | TECHNICAL DIFFERENTIATING CHARACTERISTICS,A. 4-1/2 IN. PLASTIC FRONT,B. 10 OHM RESISTOR,C. 0 TO 2000 DEG F RANGE,D. FOR USE ON EMERGENCY AIR-FED INCINERATOR,MODEL NO. 1,E. OPERATING DATA,/1/ 208 V,50/60 CYCLES,AC,3 PHASE,4-WIRE,/2/ 220-380 V,50/60 CYCLES,AC,3 PHASE,4-WIRE |