C&K M Series

Half-inch Rotary Switches

Features/Benefits

Multi-pole and multi-positions Panel and PCB mounting Stainless steel actuator Non-shorting contacts

Typical Applications Test equipment

Industrial equipment Medical equipment

Models Available

Specifications

CONTACT RATING: Q contact material: Carry-6 AMPS continuous.

Switch-250 mA max. @ 125 V AC or 28 DC. Non-shortingcontacts standard. See page L-15 for additional ratings.ELECTRICAL LIFE: 10,000 make-and-break cycles at 150 mA,

125 V AC or 28 DC.

CONTACT RESISTANCE: Below 20 m typ. initial @

2-4 V DC, 100 mA, for both silver and gold plated contacts.INSULATION RESISTANCE: 1010 min.

DIELECTRIC STRENGTH: 600 Vrms min. @ sea level.

OPERATING & STORAGE TEMPERATURE: –30ºC to 85ºC.OPERATING TORQUE: 4-7 ounces-inches typ. initial.SOLDERABILITY: Per MIL-STD-202F method 208D, orEIA RS-186E method 9 (1 hour steam aging).

NOTE:Any models supplied with Q or G contact material are RoHS compliant. For the latest information regarding RoHS compliance, please go to: www.1mpi.com and materials listed above are for switches with standard options.For information on specific and custom switches, consult Customer Service Center.

Materials

HOUSING AND BUSHING: Zinc alloy, bright zinc plated,

with clear chromate finish.

ACTUATOR: Zinc alloy, nickel plated or stainless steel.

BASE: Diallylphthalate (DAP) or melamine phenolic, with insert

molded terminals.

ROTOR: Glass filled polyester (UL 94V-0).MOVABLE CONTACTS:

Non-shorting: Q contact material: Copper alloy, silver plated.See page L-15 for additional contact materials.

STATIONARY CONTACT & ALL TERMINALS: Q contact material:

Copper alloy, silver plated. All terminals insert molded. Allterminals present regardless of number of switch positions.See page L-15 for additional contact materials.CONTACT SPRING: Music wire, phosphate coated.STOP PIN: Stainless steel.STOP RING: Brass.

HARDWARE: Nut: Brass, nickel plated; Lockwasher: Steel,

nickel plated.

Rot

ary

Build-A-Switch

To order, simply select desired option from each category and place in the appropriate box. Available options are shown anddescribed on pages L-13 thru L-17. For additional options not shown in catalog, consult Customer Service Center.

Switch FunctionMA00SP,10 pos.,36°MA02SP,2 pos.,36°MA03SP,3 pos.,36°MA04SP,4 pos.,36°MA05SP,5 pos.,36°MA06SP,6 pos.,36°MA10SP,10 pos.,36°MB00DP,5 pos.,36°MB03DP,3 pos.,36°MB04DP,4 pos.,36°MB05DP,5 pos.,36°MC00SP,12 pos.,30°MC03SP,3 pos.,30°MC07SP,7 pos.,30°MC12SP,12 pos.,30°MD00DP,6 pos.,30°MD06DP,6 pos.,30°ME00SP,10 pos.,36°ME04SP,4 pos.,36°MF00DP,5 pos.,36°MG00SP,12 pos.,30°MH00DP,6 pos.,30°

Actuator & BushingL1.650" long,flattedL2

Screwdriver slot,flushL3.650" long,roundS1.650" long,flattedS2Screwdriver slot,flushS3.650" long,roundS6

.785" long,slot

Short/Non-shortNNon-shorting contactsTerminationsZSolder lugCPC Thru-hole

Contact MaterialQSilver

GGold over silver

Seal

DNo seal

FSplashproof shaft & panel seal

Dimensions are shown:Inch(mm)

Specifications and dimensions subject to change

L–12

www.1mpi.com