Keylock Rotary Switches SERIES 44L LOCK FEATURES * 8-Pin, Round Key Security * Options for Flat Keys, Special Keying, and Key Removals High Current, 5 Amp SWITCH FEATURES * High, 5 Amp Current Switching * 45, Up to 8 Poles Per Switch * 25,000 Cycles of Operation * Options for Military Qualified Switch & More Switching Decks DIMENSIONS In inches (and millimeters) DIM. A SWITCH POSITION 1 (KEY REMOVAL A) 1.575 .015 (40,0 0,38) B DIA. H .283 .062 (7,19 1,57) .522 .020 (13,26 0,51) 1-3/8-32 UNS-2A THREAD 45 15 DIM. B 1 HOLE DIA. .064 (1,63) AFTER PLATING 3 7 6 5 4 F 8 1.170 .015 (29,72 0,38) OVER TERMINALS C G 2 D E 1.332 .002 (33,83 0,05) ACROSS FLATS Rotary Switches No. of decks LOCK 1.950 (49,53) DIA. LOCKWASHER KNURLED NUT 1.800 (45,72) DIA.; .281 (7,14) THICK; PIN HOLES 90 APART 1 2 3 4 5 6 Dim. A (In.) Dim. B (in.) 1.556 .062 1.902 .062 2.248 .062 2.594 .062 2.940 .062 3.536 .312 Dim. A (mm) Dim. B (mm) 39,52 1,57 48,31 1,57 57,10 1,57 65,89 1,57 74,68 1,57 89,81 7,92 RECOMMENDED PANEL CUT 1.335 + .010 - .000 (33,91 + 0,25 - 0,00) Note: Switch/key positions are not aligned with terminal positions. SWITCH No. of Decks Approx. Weight in Grams 1 2 3 4 5 6 123 120 127 144 151 158 Grayhill part number and date code marked on label. Customer part number marked on request. LOCK SPECIFICATIONS LOCK MATERIALS AND FINISHES Keying: Each lock is keyed differently Key Removal: All positions (45, etc) Special Options: Flat key with 90 or 180 increment key removals; 7 thru 12 decks; and Military-qualified switches. Bushing and Knurled Spanner Nut: Aluminum, black anodized Keying Washer, Cover Support Plate, Shaft Extension: 302 Stainless steel Internal and External Lockwashers: Steel, cadmium-plated Keys, Cylindrical: Stainless steel; 2 supplied 1.375 + .015 - .000 (34,93 + 0,38 - 0,00) CHOICES AND LIMITATIONS Style Angle of Throw Description No. Of Decks Poles/ Deck Positions Per Pole Shorting or Non-Shrtg. 01 to 06 01 to 03 01 or 02 01 or 02 1 2 3 4 02 to 08 02 to 04 01 or 02 01 or 02 N or S N or S N N Series 44 Switches L J-77 Standard, Solder Lugs Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois 45 60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com Keylock Rotary Switches SWITCH SPECIFICATIONS Electrical Characteristics Industrial Grade Switch Switching Current and Life The load-life values indicate the number of cycles of operation expected for the voltage, current and type of load. End of life is defined using the resistance and breakdown failure criteria listed below. 5A at 1A at 2A at 115 Vac, resistive 6 to 28 Vdc, resistive 115 Vac, inductive Cycle of Operation: 360 rotation plus a 360 return Test Conditions: 25C, 68% relative humidity, atmospheric pressure Life Expectancy: With loads above: 25,000 cycles Without load: 100,000 cycles Contact Resistance: End of life: less than 20 m Insulation Resistance: (Between mutually insulated parts) Initially: 50,000 M Breakdown Voltage: (Between mutually insulated parts) Initially: 1,000 Vac End of life: 500 Vac Carry Current: 10A; maximum temperature rise 20C Mechanical Characteristics Switching Mode: 45, 1 or 2 poles: Shorting or non-shorting 45, 3 or 4 poles: Non-shorting Type of Contact: Wiping contacts Contact Force: greater than 150g Number of Terminals: Switches are provided with only the number of terminals needed Stop Strength: greater than 15 in-lbs (1.70 Nm) Switching Torque: 8-115 in-ozs (28 to 230 mNm), depending on the number of poles, number of decks, and angle of throw Materials and Finishes: Switch Switch Bases: Melamine per MIL-M-14, 4 Switch Bases: Industrial Grade: Melamine per MIL-M-14 Military: Diallyl per MIL-M-14 Cover, Deck Separators, End Plate, and Rotor Mounting Plate: Phenolic per MIL-M-14 Shaft, Shaft Extension, Stop Arm, Stop Washers, Rear Support Plate, Cover Plate, Retaining Ring, Studs, Nuts: Stainless steel, passivated Detent Balls: Steel, nickel-plated Detent Springs: Tinned music wire Rotor Contact, and Stator (Base) Contacts: Silver alloy Common Plate, and Common Terminal: Brass, 300 inch, (7.6 m) silver plate Base Terminals: Brass, lead-tin plated and fused Additional Characteristics Switches of 6 or more decks have longer studs with extra mounting nuts for recommended double end mount ORDERING INFORMATION 44 L 45-02-1-08N-F Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois 60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com J-78 Rotary Switches Series Style Letter: L Angle of Throw: 45 Number of Decks: 01 thru 06 (per Choices chart) Poles per Deck: 1 thru 4 (per Choices chart) Positions per Pole: 02 thru 08 (per Choices chart) Type of Contacts: N = Non-shorting S = Shorting (per Choices chart) Stop Arrangement Suffix: (needed only for 1-pole switches with maximum positions) F = Fixed stop between positions 8 and 1 C = Continuous rotation Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.