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M Series

Half-inch Rotary Switches

Features/Benefits

•

Multi-pole and multi-positions

•

Panel and PCB mounting

•

Stainless steel actuator

•

Non-shorting contacts

•

RoHS Compliant

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-shorting

contacts standard. See page L-16 for additional ratings.

ELECTRICAL LIFE: 10,000 make-and-break cycles at 150 mA,

125 V AC or 28 DC.

CONTACT RESISTANCE: Below 20 mΩ typ. initial @

2-4 V DC, 100 mA, for both silver and gold plated contacts.

INSULATION RESISTANCE: 1010

Ω

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, or

EIA RS-186E method 9 (1 hour steam aging).

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-16 for additional contact materials.

STATIONARY CONTACT & ALL TERMINALS: Q contact material:

Copper alloy, silver plated. All terminals insert molded. All

terminals present regardless of number of switch positions.

See page L-16 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.

NOTE:

Specifications and materials listed above are for switches with standard options.

For information on specific and custom switches, consult Customer Service Center.

Build-A-Switch

To order, simply select desired option from each category and place in the appropriate box. Available options are shown and

described on pages L-14 thru L-18. For additional options not shown in catalog, consult Customer Service Center.

Rotary

Switch Function

MA00

SP, 10 pos., 36°

MA02

SP, 2 pos., 36°

MA03

SP, 3 pos., 36°

MA04

SP, 4 pos., 36°

MA05

SP, 5 pos., 36°

MA06

SP, 6 pos., 36°

MA10

SP, 10 pos., 36°

MB00

DP, 5 pos., 36°

MB03

DP, 3 pos., 36°

MB04

DP, 4 pos., 36°

MB05

DP, 5 pos., 36°

MC00

SP, 12 pos., 30°

MC03

SP, 3 pos., 30°

MC07

SP, 7 pos., 30°

MC12

SP, 12 pos., 30°

MD00

DP, 6 pos., 30°

MD06

DP, 6 pos., 30°

ME00

SP, 10 pos., 36°

ME04

SP, 4 pos., 36°

MF00

DP, 5 pos., 36°

MG00

SP, 12 pos., 30°

MH00

DP, 6 pos., 30°

Actuator & Bushing

.650"

long, flatted

Screwdriver slot, flush

.650" long, round

.650" long, flatted

Screwdriver slot, flush

.650" long, round

.785" long, slot

Short/Non-short

Non-shorting contacts

Terminations

Solder lug

PC Thru-hole

Contact Material

Silver

Gold over silver

Seal

No seal

Splashproof shaft & panel seal

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

L–13

www.ck-components.com

M Series

Half-inch Rotary Switches

SWITCH FUNCTION

36º INDEXING

MODEL NO.

WITH STOP

PINS

MODEL NO.

WITH STOP

RINGS

SP MODELS 36º INDEXING

SCHEMATIC

30º INDEXING

MODEL NO.

WITH STOP

PINS

MODEL NO.

WITH STOP

RINGS

NO.

POLES

SWITCH

FUNCTION

10 Positions

No Stops

2 Positions

3 Positions

4 Positions

5 Positions

6 Positions

10 Positions

5 Positions

No Stops

3 Positions

SP MODELS 30º INDEXING

SCHEMATIC

DP MODELS 36º INDEXING

SCHEMATIC

NO.

POLES

SWITCH

FUNCTION

12 Positions

No Stops

3 Positions

7 Positions

12 Positions

6 Positions

No Stops

6 Positions

MA00

MA02

MA03

ME00

—

MC00

MG00

—

MC03

MC07

MC12

MD00

MA04

MA05

MA06

MA10

MB00

MB03

ME04

—

MH00

—

MD06

MF00

MB04

MB05

—

4 Positions

5 Positions

DP MODELS 30º INDEXING

SCHEMATIC

All models

with all options when ordered with S1-SB stainless steel actuator options.

Rotary

NOTE:

Number of positions or stops preset at factory (NOTE: MX00 models have full 360 rotation with no stops. Stop pins or stop rings supplied for user-selectable stops, see above).

All terminals present regardless of number of switch positions. Hardware is available separately, see section “Technical Data and Additional Hardware”.

SP, 36º Indexing

Actuator Shown In Pos. 1

DP, 36º Indexing

Terminal Numbers Marked

On Side Of Housing

Part number shown: MA00L1NZQD

SP, 30º Indexing

Actuator Shown In Pos. 1

DP, 30º Indexing

Terminal Numbers Marked

On Side Of Housing

Part number shown: MC00L1NZQD

Third Angle

Projection

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

L–14

www.ck-components.com

M Series

Half-inch Rotary Switches

ACTUATOR (ZINC ALLOY)

.650" LONG, FLATTED

SCREWDRIVER SLOT, FLUSH

.650" LONG, ROUND

All actuators shown in pos. 1

ACTUATOR (STAINLESS STEEL)

.650" LONG, FLATTED

Rotary

SCREWDRIVER SLOT, FLUSH

.650" LONG, ROUND

.785" LONG, SLOT

All actuators shown in pos. 1

All models UL/CSA when ordered with stainless steel actuators.

Third Angle

Projection

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

L–15

www.ck-components.com

M Series

Half-inch Rotary Switches

SHORTING/NON-SHORTING CONTACTS

NON-SHORTING CONTACTS

Break-before-make

TERMINATIONS

SOLDER LUG

PC THRU-HOLE

PANEL MOUNTING

WITH FLATS

0.213

(5.41)

PC MOUNTING

INDEXING

WITHOUT FLATS

0.260 DIA

(6.59)

Rotary

0.260 DIA

(6.60)

Hardware: All models, one mounting nut and lockwasher

supplied standard. MA00 thru MD00 models: two stop pins

and adhesive mylar washer supplied. ME00 thru MH00

models: two stop rings supplied. Hardware is available

separately, see section “Technical Data and Additional

Hardware”.

PC MOUNTING

INDEXING

NOTE:

Q contact material standard. Terminal numbers marked on side of housing.

All terminals insert molded. All terminals present regardless of number of switch positions.

Actuators and schematics shown in pos. 1.

CONTACT MATERIAL

OPTION

CODE

CONTACT

MATERIAL

SILVER

1, 2

TERMINAL

PLATING

SILVER

GOLD

POWER

LOW LEVEL/DRY CIRCUIT

OR POWER

RATING

CARRY: 6 AMPS CONTINUOUS. SWITCH: 250 mA @ 125 V AC

or 28 V DC.

0.4 VA MAX. @ 20 V AC or DC MAX. or, CARRY: 6 AMPS

CONTINUOUS. SWITCH: 250 mA @ 125 V AC or 28 V DC.

GOLD OVER

SILVER

3, 4

* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.

MOVABLE CONTACTS: Non-shorting: Copper alloy, silver plated.

Shorting: Zinc alloy, silver plated.

STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, silver plated.

MOVABLE CONTACTS: Non-shorting: Copper alloy, with gold plate over nickel plate, over silver plate.

NOTE:

Any models supplied with Q, G contact material are RoHS compliant.

Shorting: Zinc alloy, with gold plate

STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, with gold plate

All models

when ordered with S1-S6 stainless steel actuator options.

over nickel plate over silver plate.

Third Angle

Projection

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

L–16

www.ck-components.com

M Series

Half-inch Rotary Switches

SEAL

NO EPOXY SEAL

SPLASHPROOF SHAFT AND PANEL SEAL

Setting Stops With Stop Pins

MA00, MB00, MC00 & MD00 Models Only:

The number of switch positions or stops are adjustable by means of stop pins provided with each switch. Switches are normally

shipped with stop pins and hardware in bulk, not installed. Without stop pins, switches have full 360º rotation and no stops.

Note that all two pole models begin to repeat when actuated 180º or more.

To set stops, refer to figures 1 & 2. Orient switch so that terminal no. 1 is as shown. Turn actuator to position 1, using flats on

bushing and terminal no. 1 as reference. Install CCW stop pin in hole designated ‘X’. Install second stop pin in hole number

corresponding to the number of positions desired. Note that two pole models will begin to repeat when actuated 180º or more.

To retain stop pins, use adhesive mylar washer included; see figure 3.

All models except MX00 models have number of switch positions or stops pre-set at factory and are not adjustable.

Hardware:

Two stop pins, mounting nut, and lockwasher supplied standard.

P/N 537100000

36º Indexing Models

Top View

Fig. 1

30º Indexing Models

Top View

Fig. 2

Fig. 3

P/N 537202000

Rotary

Setting Stops With Stop Rings

ME00, MF00, MG00 & MH00 Models Only:

The number of switch positions or stops are adjustable by means of stop rings provided with each switch. These models are

normally shipped with stop rings and hardware in bulk, not installed. Without stop rings, switches have full 360º rotation and no

stops. Note that all two pole models begin to repeat when actuated 180º or more.

To set stops refer to figures 4 & 5. Orient switch so that terminal no. 1 is as shown. Turn actuator to pos. 1 using flats on bushing

and terminal no. 1 as reference. See figure 6 and install inner stop ring with short tab in hole designated ‘X’. Install outer

stop ring with long tab in hole number corresponding to the number of positions desired. Note that all two pole models begin to

repeat when actuated 180º or more. Use mounting nut and lockwasher to retain stop rings.

All MEXX, MFXX, MGXX & MHXX Models (Except MX00 models):

Number of switch positions or stops are preset at factory, but are user adjustable.

Hardware:

Two stop rings, mounting nut and lockwasher supplied standard.

36º Indexing Models

Top View

Fig. 4

30º Indexing Models

Top View

Fig. 5

Fig. 6

Dimensions are shown: Inch (mm)

Specifications and dimensions subject to change

L–17

www.ck-components.com