| ACTUATOR POSITION DESIGNATION | AT POLE ONE AND AT POLE TWO |
| ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS | +0.251 TO 0.253 AC ALL LOCATIONS |
| BODY LENGTH | 115.0 MILLIMETERS NOMINAL |
| BODY STYLE | SINGLE POLE TYPE |
| BODY WIDTH | 20.0 MILLIMETERS NOMINAL |
| CIRCUIT PROTECTION TYPE | SWITCH DISCONNECTOR SINGLE LOCATION |
| INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | EXPLOSION PROOF |
| MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| OVERALL DIAMETER | 107.0 MILLIMETERS NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | EX-BARRIER |
| MATERIAL | PLASTIC CASE |
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 252.0 MILLIAMPERES DC SINGLE LOCATION |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 DIN RAIL |
| OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 21.0 DC SINGLE LOCATION |
| POLE QUANTITY | 2 |
| RESET ACTUATOR VOLTAGE RATING AND TYPE IN VOLTS | 21.0 DC |
| RESET METHOD | ELECTRIC |
| SPECIAL FEATURES | USED WITH FIRE DETECTOR BASE 80539 |
| SWITCH TERMINAL TYPE | BUS BAR |
| TERMINAL TYPE AND QUANTITY | 2 BUS BAR |
| TRIP RELEASE AMBIENT TEMP RATING | -20.0 CELSIUS MINIMUM SINGLE LOCATION |
| TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS SINGLE LOCATION |
| TRIP RELEASE DUTY CYCLE | CONTINUOUS SINGLE LOCATION |