| CONTACT LOAD CURRENT RATING | 30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| CONTACT LOAD CURRENT RATING | 30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| CONTACT VOLTAGE RATING IN VOLTS | 250.0 DC AT SEA LEVEL |
| CONTACT VOLTAGE RATING IN VOLTS | 500.0 AC AT SEA LEVEL |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES FOURTH SECTION REAR |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES SECOND SECTION REAR |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES THIRD SECTION REAR |
| DETENT ROTATIONAL TORQUE RANGE | +0.500 TO 9.000 INCH-POUNDS SINGLE ACTUATOR |
| FEATURES PROVIDED | ACTUATOR KNOB |
| FIRST FLAT LENGTH | 0.875 INCHES NOMINAL SINGLE ACTUATOR |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | EXPLOSION PROOF |
| INDIVIDUAL SECTION QUANTITY | 4 |
| KNOB MANUFACTURER CODE | 82121 |
| LONGEST HORIZONTAL DISTANCE BETWEEN MOUNTING CENTERS | 2.281 INCHES NOMINAL SECOND MOUNTING FACILITY |
| LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS | 2.281 INCHES NOMINAL SECOND MOUNTING FACILITY |
| OVERALL LENGTH | 4.000 INCHES NOMINAL |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR SECOND MOUNTING FACILITY |
| MOUNTING METHOD | THREADED BUSHING WITH PANEL SEAL FIRST MOUNTING FACILITY |
| MOUNTING METHOD | BRACKET(S) AND THREADED HOLE(S) SECOND MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.250 INCHES SECOND MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.375 INCHES FIRST MOUNTING FACILITY |
| NONTURN DEVICE TYPE | SLOTTED BUSHING AT 3:00 OCLOCK |
| OVERALL HEIGHT | 4.125 INCHES NOMINAL |
| POLE QUANTITY | 1 FOURTH SECTION FRONT |
| POLE QUANTITY | 1 SECOND SECTION FRONT |
| POLE QUANTITY | 1 THIRD SECTION FRONT |
| SHAFT DIAMETER | 0.375 INCHES NOMINAL SINGLE ACTUATOR |
| SHAFT TYPE | ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR |
| SPECIAL FEATURES | FIRST SECTION IS BLANK |
| STYLE DESIGNATOR | TAP, CIRCUIT SELECTOR |
| SWITCH ACTUATOR INDEXING POSITION QUANTITY | 2 SINGLE ACTUATOR |
| SWITCH ACTUATOR MOMENTARY POSITION | CLOCKWISE SINGLE ACTUATOR |
| SWITCH ACTUATOR POSITIONING INCREMENT | 90.0 DEGREES SINGLE ACTUATOR |
| SWITCH ACTUATOR STOP DEVICE TYPE | FIXED STOP SINGLE ACTUATOR |
| SWITCH CONTACT BASIC DESIGN | NONPILE-UP SYMMETRICAL |
| TERMINAL TYPE | TAB W/SCREW |
| THREAD CLASS | 2A FIRST MOUNTING FACILITY |
| THREAD CLASS | 2B SECOND MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNEF FIRST MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY |
| THREAD QUANTITY PER INCH | 20 SECOND MOUNTING FACILITY |
| THROW QUANTITY | 2 THIRD SECTION REAR |
| THROW QUANTITY | 2 FOURTH SECTION REAR |
| THROW QUANTITY | 2 SECOND SECTION REAR |