Power Tap Switches SPECIFICATIONS Material Body: Ceramic, arc-proof (models 212, 312, 412, 608). Compression Molded Polyester (model 111). Melamine Phenolic (model 711) Contacts: Silver alloy. Common contact is rounded for assured seating. Self-cleaning with built in wiping action. Terminals: Soldering. 711 also accepts quick connectors; 412, #10 screws; 608, 0.25” bolts. High-current, Non-shorting Type Model 711 Mounting Typical ceramic style Overall Rating Rating Max. no. Diameter Model (AC) (DC)* of taps (max., in./mm) 711 7A 125V 7A 20V 11 1.56 / 39.6 111 15A 125V 15A 20V 11 2.19 / 56 212 20A 150V 20A 20V 12 2.25 / 57 312 30A 300V 30A 20V 12 3.31 / 84 412 50A 300V 50A 20V 12 4.25 / 108 608 100A 300V 100A 20V 8 6.25 / 159 Typical tandem model Depth behind panel (in./mm) Shaft single 2 in tandem 3 in tandem Torque 13/16 / 20.6 125/32 / 45.2 215/32 / 62.7 7-12 oz.-in. 11/8 / 28.7 23/4 / 69.9 — 1.5-3.8 in.-lbs. 13/4 / 44.5 43/16 / 106.4 63/16 / 157.2 3-7 in.-lbs. 1 5 2 /4 / 57.2 4 /8 / 117.5 7 / 177.8 3-7 in.-lbs. 27/16 / 61.9 51/32 / 127.8 75/8 / 193.7 3-8 in.-lbs. 35/16 / 84.1 613/16 / 173.0 105/16 / 261.9 25-35 in.-lbs. *non-inductive load All dimensions for reference only; consult factory for details. Ohmite power Tap Switches (high power rotary switches) are constructed to provide dependable, convenient operation. All Ohmite tap switches, from 15 to 100 amps, have ceramic arc-proof bodies and metal alloy contacts. Their all-soldered and all-riveted construction assures mechanical and operational integrity. Even the smallest Ohmite Tap Switch, rated at 7 amps, has a reinforced non-metal body and solid metal alloy contacts. These units feature high current handling capability in a small package. FEATURES • “Slow-breaking, Quick-make” action proved best for switching AC current. • Non-shorting type disconnects previous circuit before establishing contact for succeeding tap. • Ceramic and metal construction provides resistance to arcing, burning and charring. • Tandem assemblies available as standard models. • UL listed for models 111, 212, 312 and 412 • RoHS compliant product available Jan. 2006 Add “E” suffix to part number to specify. Model 711: Using 3/8-32 bushing for 1/8” thick maximum panel. Four non-turn lug positions are possible on the single, unenclosed switch. Recesses in body of switch permit positioning of non-turn washer at “12, 3, 6 and 9 o’clock.” 3/16 “ hole for non-turn washer. Shaft 1/4” Model 111: For 1/4” panel, maximum, using 3/8-32 bushing and hex nut. A 3/16” hole is required for the non-turn washer. Shaft 1/4” Model 212: Using 3/8-32 threaded bushing and hex nut. A 5/32” hole is required for the non-turn pin. Shaft 1/4” Model 312: For 1/4” panel, maximum, use three 10-32 flat-head machine screws 3/8” long. Shaft 1/4” Model 412: For 1/4” panel, maximum, use three 10-32 flat-head machine screws 3/8” long. A 5/16” hole in panel is required for shaft. Model 608: For 1” panel, maximum, three flat-head machining screws 1/4-20, 11/4” long. Drill a 7/16” hole in panel for shaft. Shaft 3/8” NOTE: Since all tap switches are electro-mechanical devices, they are subject to wear and, therefore, have a finite life. S TA N D A R D PA RT N U M B E R S F O R P O W E R TA P S W I T C H E S 412-*-T3 3 in tandem = Non-standard values subject to minimum handling charge per item * Insert number of taps at asterisk for complete part number (e.g. 111-3-T2) 80 Ohmite Mfg. Co. 3 4 5 6 7 8 80° 120° 160° 200° 240° 280° 608-*-T3 3 in tandem 412-*-T2 2 in tandem 608-*-T2 2 in tandem Single unit 412-* Single unit 312-*-T3 3 in tandem 608-* 312-*-T2 2 in tandem Total rotation Single unit 312-* Model 608 100A - 300V Number of taps* 212-*-T3 3 in tandem Single unit Model 412 50A - 300V 212-* 111-*-T2 2 in tandem Model 312 30A - 300V 212-*-T2 2 in tandem Single unit 111-* Single unit 711-*-T3 3 in tandem Model 212 20A - 150V 711-*-T2 2 in tandem 60° 90° 120° 150° 180° 210° 240° 270° 300° 330° Model 111 15A - 125V 711-* 3 4 5 6 7 8 9 10 11 12 Total rotation Number of taps* Model 711 7A - 125V Check product availability at www.ohmite.com See page 82 for knobs, dials, and other hardware 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] Power Tap Switches High-current, Non-shorting Type Model 111 Model 212 Model 312 Model 412 Model 608 Ohmite Mfg. Co. 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] 81