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Download 6441-045 Mounting Directions for Magnetic Reed
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6441-045 Magnetic Reed Switch Wiring Schematic ® MOUNTING DIRECTIONS for Magnetic Reed Switch Assemblies 1. Insert switch cable through top of mounting bracket. 2 .Orient bracket with respect to cylinder so that set screws are located on side most convenient. 3 .Slide switch into bracket with end containing indicator light towards center of cylinder. Bracket contains a register pin which must be mated with slot in switch. When mounting switches on rotary actuators make sure that the powered piston is used for signal. Pistons are not attached to gear rack which sometimes allow piston on exhaust side to move ahead of the actual rotation. 4. Hook bracket over one tierod and push assembly against cylinder until the side with the set screws rests against the other tierod. (Make sure set screws are clear of tierod.) Tighten set screws until they contact firmly underneath tierod Then loosen enough to enable switch and bracket assembly to slide along cylinder tube. 5. Locate switch assembly where desired and lock in place by tightening set screws. (This step is normally performed after all electrical connections have been made. Indicator light will then show at what point switch contacts are actually closed.) CAUTION! AN11 & AB10 Reed Switch Specifications MODEL: AN11 & AB10 SPST--- Form ‘A’ Breakdown voltage---400 V DC Min. Switching voltage: 200 V DC Max 240 V AC Max AN11 & AB10 VOLTAGE VS. AMPERES DERATING CURVE INDICATOR LIGHTS Current Draw 0.3 milliamp Minimum DC on voltage --- 90 V DC Minimum AC on voltage --- 65 V AC SHOCK RATING The basic switch can withstand up to 60 G maximum in the direction of contact closure without misfire or malfunction. Some general use relays and valve solenoids have a potential to prematurely fail reed switches due to electrical transients. A commercially available transient voltage suppressor called a Tranzorb has proven to be effective in reducing this potential failure. This substantially increases the life of PHD Reed Switches. The following Tranzorbs may be used with relay coils or valve solenoids and are listed with respect to nominal coil voltages. General Semiconductor Industries Inc. P.O. Box 30780 2001 West Tenth Place Tempe, Arizona 85281 (602) 968-3101 TRANZORB PT. NO. 1.5 KE12CA 1.5 KE22CA 1.5 KE43CA COIL VOLTAGE (AC) 6 12 24 120 VIBRATION SENSITIVITY Switch will withstand vibration amplitude of 30 G at frequencies up to 6000 Hz without misfire. False operation can occur at vibration frequency levels higher than 6000 Hz. OPERATING TEMPERATURE 40°F to +150°F for standard cable. CABLE SPECIFICATION The conductors are tinned copper with polyethylene insulation. Conductors are cabled with a rayon braid, a tinned copper braided shield, and a chrome vinyl jacket which is resistant to hydraulic fluids. P.O. BOX 9070 • FORT WAYNE, INDIANA 46899 (AC 260) 747-6151 • FAX (260) 747-6754 Tranzorb listed will protect switch under normal conditions. If abnormally high level transients exist additional Tranzorbs may be necessary. Tranzorbs do not change switch rating.