| CONTACT VOLTAGE RATING IN VOLTS | 500.0 AC AT SEA LEVEL |
| 250.0 DC AT SEA LEVEL |
| CONTACT LOAD CURRENT RATING | 30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| 30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| TERMINAL TYPE | TAB W/SCREW |
| SWITCH ACTUATOR INDEXING POSITION QUANTITY | 4 SINGLE ACTUATOR |
| STYLE DESIGNATOR | TAP, CIRCUIT SELECTOR |
| OVERALL LENGTH | 3.500 INCHES NOMINAL |
| OVERALL HEIGHT | 4.125 INCHES NOMINAL |
| OVERALL WIDTH | 4.125 INCHES NOMINAL |
| INDIVIDUAL SECTION QUANTITY | 3 |
| SWITCH CONTACT BASIC DESIGN | NONPILE-UP SYMMETRICAL |
| CONTACT SWITCHING ACTION | BREAKS BEFORE MAKES EACH SECTION FRONT |
| SHAFT TYPE | ROUND, FLATTED, THREADED HOLE SINGLE ACTUATOR |
| FIRST FLAT LENGTH | 0.500 INCHES NOMINAL SINGLE ACTUATOR |
| FLAT HEIGHT | 0.312 INCHES NOMINAL SINGLE ACTUATOR |
| SHAFT DIAMETER | 0.375 INCHES NOMINAL SINGLE ACTUATOR |
| SHAFT LENGTH | 0.875 INCHES NOMINAL SINGLE ACTUATOR |
| MOUNTING METHOD | BRACKET SINGLE MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNC SINGLE MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.250 INCHES SINGLE MOUNTING FACILITY |
| THREAD CLASS | 2B SINGLE MOUNTING FACILITY |
| THREAD QUANTITY PER INCH | 20 SINGLE MOUNTING FACILITY |
| MOUNTING FACILITY PATTERN | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| MOUNTING FACILITY CIRCLE RADIUS | 1.609 INCHES NOMINAL SINGLE MOUNTING FACILITY |
| FEATURES PROVIDED | ACTUATOR KNOB |
| HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION | SHOCK PROOF |
| KNOB MANUFACTURER CODE | 82121 |
| KNOB MANUFACTURER PART NUMBER | 8164-12Y |
| SHAFT FLAT/SLOT ANGULAR LOCATION | 90.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 82121 |
| DESIGN CONTROL REFERENCE | S3135 |