| CONTACT LOAD CURRENT RATING | 10.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| CONTACT LOAD CURRENT RATING | 30.0 MILLIAMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES EIGHTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES ELEVENTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES NINTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES SEVENTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES FIFTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES FOURTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES SIXTH SECTION FRONT |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES TENTH SECTION FRONT |
| CONTACT SWITCHING ACTION | MAKES BEFORE BREAKS FIRST SECTION FRONT |
| CONTACT SWITCHING ACTION | MAKES BEFORE BREAKS SECOND SECTION FRONT |
| CONTACT SWITCHING ACTION | MAKES BEFORE BREAKS THIRD SECTION FRONT |
| CONTACT SWITCHING ACTION | MAKES BEFORE BREAKS TWELFTH SECTION FRONT |
| CONTACT VOLTAGE RATING IN VOLTS | 125.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| CONTACT VOLTAGE RATING IN VOLTS | 500.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| FEATURES PROVIDED | ACTUATOR KNOB |
| FIRST FLAT LENGTH | 0.250 INCHES NOMINAL SINGLE ACTUATOR |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | DUSTPROOF |
| INDIVIDUAL SECTION QUANTITY | 19 |
| KNOB MANUFACTURER PART NUMBER | B |
| KNOB MANUFACTURER CODE | 82121 |
| OVERALL HEIGHT | 4.125 INCHES NOMINAL |
| OVERALL LENGTH | 9.250 INCHES NOMINAL |
| OVERALL WIDTH | 4.375 INCHES NOMINAL |
| MOUNTING FACILITY PATTERN | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| MOUNTING FACILITY CIRCLE RADIUS | 1.610 INCHES NOMINAL SINGLE MOUNTING FACILITY |
| MOUNTING METHOD | BRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.250 INCHES SINGLE MOUNTING FACILITY |
| POLE QUANTITY | 1 EACH SECTION FRONT |
| SHAFT FLAT/SLOT ANGULAR LOCATION | 45.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| SHAFT DIAMETER | 0.375 INCHES NOMINAL SINGLE ACTUATOR |
| SHAFT LENGTH | 1.125 INCHES NOMINAL SINGLE ACTUATOR |
| SHAFT TYPE | ROUND, SQUARE, THREADED HOLE SINGLE ACTUATOR |
| SPECIAL FEATURES | SECTIONS 1,2,3,7,11,12,13,16,17,AND 18 MAKE AT 2 POSITIONS ON 1 THROW,CONTACT SWITCHING ACTION AT SECTION 13 SHORTING,14 AND 15 NONSHORTING,16,17,AND 18 SHORTING,19 NONSHORTING |
| SQUARE SHAFT SIZE | 0.250 INCHES NOMINAL SINGLE ACTUATOR |
| STYLE DESIGNATOR | TAP, CIRCUIT SELECTOR |
| SWITCH ACTUATOR INDEXING POSITION QUANTITY | 4 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 | SCREW |
| THREAD CLASS | 2B SINGLE MOUNTING FACILITY |
| THREAD QUANTITY PER INCH | 20 SINGLE MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| THROW QUANTITY | 4 EACH SECTION FRONT |