S P E C I F I C A T I O N S Power Tap Switches Material Body: Ceramic, arc-proof High-current, Non-shorting Type (models 212, 312, 412, 608). Compression Molded Polyester (model 111). Melamine Phenolic (model 711) 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. Mounting 3 Typical Model 711: Using /8-32 bushing Typical 1 ceramic style for /8 thick maximum panel. tandem model Four non-turn lug positions are possible on the single, unen- closed switch. Recesses in body of switch permit positioning of Overall non-turn washer at 12, 3, 6 and Rating Rating Max. no. Diameter Depth behind panel (in./mm) Shaft 3 9 oclock. /16 hole for non-turn Model (AC) (DC)* of taps (max., in./mm) single 2 in tandem 3 in tandem Torque 1 washer. Shaft /4 13 25 15 1 711 7A 125V 7A 20V 11 1.56 / 39.6 /16 / 20.6 1 /32 / 45.2 2 /32 / 62.7 7-12 oz.-in. Model 111: For /4 panel, maxi- 1 3 3 111 15A 125V 15A 20V 11 2.19 / 56 1 /8 / 28.7 2 /4 / 69.9 1.5-3.8 in.-lbs. mum, using /8-32 bushing and 3 3 3 3 hex nut. A /16 hole is required 212 20A 150V 20A 20V 12 2.25 / 57 1 /4 / 44.5 4 /16 / 106.4 6 /16 / 157.2 3-7 in.-lbs. for the non-turn washer. Shaft 1 5 312 30A 300V 30A 20V 12 3.31 / 84 2 /4 / 57.2 4 /8 / 117.5 7 / 177.8 3-7 in.-lbs. 1 /4 7 1 5 412 50A 300V 50A 20V 12 4.25 / 108 2 /16 / 61.9 5 /32 / 127.8 7 /8 / 193.7 3-8 in.-lbs. 3 Model 212: Using /8-32 threaded 5 13 5 608 100A 300V 100A 20V 8 6.25 / 159 3 /16 / 84.1 6 /16 / 173.0 10 /16 / 261.9 25-35 in.-lbs. 5 bushing and hex nut. A /32 hole is required for the non-turn pin. *non-inductive load 1 Shaft /4 All dimensions for reference only consult factory for details. 1 Model 312: For /4 panel, maxi- mum, use three 10-32 flat-head 3 machine screws /8 long. Shaft Switch, rated at 7 amps, has Ceramic and metal construction 1 Ohmite power Tap Switches /4 provides resistance to arcing, a reinforced non-metal body 1 (high power rotary switches) Model 412: For /4 panel, maxi- burning and charring. and solid metal alloy contacts. are constructed to provide mum, use three 10-32 flat-head Tandem assemblies available as These units feature high cur- 3 dependable, convenient machine screws /8 long. A standard models. rent handling capability in a 5 operation. /16 hole in panel is required for UL listed for models 111, 212, small package. shaft. All Ohmite tap switches, 312 and 412 from 15 to 100 amps, have Model 608: For 1 panel, maxi- RoHS compliant product avail- F E A T U R E S mum, three flat-head machining ceramic arc-proof bodies and able Jan. 2006 Add E suffix to 1 1 Slow-breaking, Quick-make screws /4-20, 1 /4 long. Drill metal alloy contacts. Their part number to specify. 7 action proved best for switching a /16 hole in panel for shaft. all-soldered and all-riveted 3 AC current. Shaft /8 construction assures mechani- Non-shorting type disconnects NOTE: Since all tap switches are cal and operational integrity. previous circuit before establish- electro-mechanical devices, they Even the smallest Ohmite Tap ing contact for succeeding tap. are subject to wear and, there- fore, have a finite life. S T A N D A R D P A R T N U M B E R S F O R P O W E R T A P S W I T C H E S Model 711 Model 111 Model 212 Model 312 Model 412 Model 608 7A - 125V 15A - 125V 20A - 150V 30A - 300V 50A - 300V 100A - 300V 3 60 3 80 4 90 4 120 5 120 5 160 6 150 6 200 7 180 7 240 8 210 8 280 9 240 10 270 Check product availability at www.ohmite.com 11 300 12 330 See page 82 for knobs, = Non-standard values subject to minimum handling charge per item dials, and other hardware * Insert number of taps at asterisk for complete part number (e.g. 111-3-T2) 80 Ohmite Mfg. Co. 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 81 Number of taps* Total rotation 711-* Single unit 711-*-T2 2 in tandem 711-*-T3 3 in tandem 111-* Single unit 111-*-T2 2 in tandem 212-* Single unit 212-*-T2 2 in tandem 212-*-T3 3 in tandem 312-* Single unit 312-*-T2 2 in tandem 312-*-T3 3 in tandem 412-* Single unit 412-*-T2 2 in tandem 412-*-T3 3 in tandem Number of taps* Total rotation 608-* Single unit 608-*-T2 2 in tandem 608-*-T3 3 in tandemPower Tap Switches High-current, Non-shorting Type Model 111 Model 212 Model 312 Model 412 Model 608 80 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com Ohmite Mfg. Co. 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 81