Manufacturers
ITW SWITCHES 18-488051
Description
Switch Snap Action N.O./N.C. SPDT Plunger Solder 7A 250VAC 28VDC 1.67N Screw Mount
18-488051
Part Number
18-488051
Price
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Manufacturer
ITW SWITCHES
Lead Time
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Category
Switches » Switch Snap Action
Specifications
Manufacturer
ITW Switches
Manufacturers Part #
18-488051
Industry Aliases
MS27257-1, 18-488051, 5930004208517, 5.93E+12
Sub-Category
Snap Action Switches
Factory Pack Quantity
50
Datasheet
Extracted Text
SNAP ACTION SWITCHES ULTRA SUB-MINIATURE 7 AMP DOUBLE-BREAK SNAP ACTION SWITCHES ® Series 18 switches feature the Butterfly double- break momentary switch mechanism. This very small package can carry a full 7 amp load (or low current load). APPLICATIONS • Industrial valve controls • Aircraft rotary actuator • Aircraft linear actuator • Float control pumps • Spool valves • Medical equipment • Aircraft fuel valves • Pressure switches ACTUAL SIZE KEY FEATURES: • Gold contacts • UL recognized and CSA certified: 7 amps @ 125/250 VAC • Solder terminals • Lever and roller actuator are • Meets MIL-S-8805/76 available ORDERING INFORMATION: Switches Part Number Contacts Terminals RoHS Compliant 18-40421 Gold Plated End Solder 18-488051 (MS27257-1) Gold Plated End Solder Actuator (see page 70 for additional specifications) Part Number Oper. Force Release Force Pretravel Overtravel Movement Diff. Operating Point 78-3000 6 ± 2 oz 2 oz min .125 max 030 min .030 ± .015 .325 ± .030 Spring Lever 78-3100 6 ± 2 oz 2 oz min .125 max .030 min .035 ± .015 .560±.030 Roller Lever STANDARDS / AGENCY / RATINGS: 33 3 ® IEC RoHS V IP67 COMPLIANT D E 2 2002 / 95 / EC COMPLIANT Contact an Authorized Distributor or Factory for Pricing www.itwswitches.com 54 SNAP ACTION SWITCHES SERIES 18: ULTRA SUB-MINIATURE 7 AMP DOUBLE-BREAK MECHANICAL / ELECTRICAL CHARACTERISTICS: PRODUCT DRAWINGS Pretravel: 0.030 inches max Overtravel: 0.006 inches min Operating Force: 5 oz + 3 oz - 2 oz Release Force: 1.5 oz min Movement Differential: 0.015 inches ± 0.005 Operating Point: 0.320 inches ± 0.015 (from mounting hole centers) Circuit: SPDT-DB (Form Z) MIL-PRF-8805/77 QPL listed: 18-488051 MS27257-1 Electrical Rating @ 28VDC: Circuitry Current 2 Circuit 5 amp Res (SPDT-DB) 3 amp Ind* 1 Circuit 8 amp Res (SPST) 7 amp Ind* *L/R = .026 Designs and specifications are subject to change 55 800.544.3354 without notice due to product improvement. Copyright © 2011 ITW Switches 2011 Copyright © 2011 ITW Switches 2011 ACTUATORS SEE PAGE 54 FOR SWITCHES KEY FEATURES: • Spring Lever • Roller Lever MECHANICAL CHARACTERISTICS: Part Number Oper. Force Release Force Pretravel Overtravel Movement Diff. Operating Point 78-3000 6 ± 2 oz 2 oz min .125 max .030 min .030 ± .015 .325 ± .030 Spring Lever 78-3100 6 ± 2 oz 2 oz min .125 max .030 min .035 ± .015 .560 ± .030 Roller Lever 78-3000 78-3100 Designs and specifications are subject to www.itwswitches.com 70 change without notice due to product improvement.
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