NKK MRX108-C Miniature power level rotary Datasheet

Miniature Power Level Rotaries
Series MR
Distinctive Characteristics
Positive detent mechanism for distinct feel and audible feedback.
Metal bushing and housing construction increases
durability.
Adjustable stopper plate allows 2-8 position settings.
High contact reliability achieved by the self-cleaning
contact mechanism.
Break-before-make contact timing with various mechanism
types: sliding contacts in MRX, contactor dish in MRY, and
butt contacts in MRT models.
Terminal types include PC-turret for MRX, turret for MRY,
and solder lug for MRT models.
Molded-in PC-turret and turret terminals prevent entry of
flux and other contaminants.
Actual Size
NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Miniature Power Level Rotaries
Series MR
General Specifications
Electrical Capacity (Resistive Load)
For MRX:
For MRY:
For MRT:
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Range of Operating Torque:
Contact Timing:
Indexing:
Materials & Finishes
Shaft:
Stopper Plate:
Bushing/Housing:
Movable Contacts:
End Contacts & Terminals:
Common Contacts & Terminals:
Base:
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
Installation
Mounting Torque:
Cap Installation Force:
Soldering Time & Temperature:
Standards & Certifications
UL & C-UL
Recognized:
R
2A @ 125V AC or 1A @ 30V DC
For MRY106G: 0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: See Supplement Index to find explanation of operating range.
For all other MRY models: 3A @ 125V AC or 2A @ 30V DC
For MRT22: 10A @ 125V AC or 4A @ 30V DC
For MRT23: 5A @ 125V AC or 3A @ 30V DC
10 milliohms maximum for MRX, MRY, & MRT; 20 milliohms maximum for MRY106G
100 megohms minimum @ 500V DC for MRX & MRY
200 megohms minimum @ 500V DC for MRT
1,000V AC minimum for 1 minute minimum
15,000 operations minimum
7,500 operations minimum
0.03 ~ 0.15Nm for MRX; 0.02 ~ 0.10Nm for MRY; 0.02 ~ 0.05Nm for MRT
Nonshorting (break-before-make)
MRX: Self-cleaning, sliding contact; MRY: Rotary contactor dish; MRT: Butt contacts
45° for MRX; 60° for MRY; 120° for MRT22; 60° for MRT23
Brass with nickel plating
Steel with zinc plating for MRX & MRY
Brass with nickel plating
Silver alloy for MRX & MRT; copper with silver plating for MRY106;
copper with gold plating for MRY106G
Silver alloy & copper with silver plating for MRX & MRT; silver alloy plus brass with silver plating
for MRY106; silver alloy with gold plating for MRY106G
Copper with silver plating for MRX, MRY106 & MRT22; brass with gold plating for MRY106G;
brass with silver plating for MRT23
Phenolic resin
–10°C through +70°C (+14°F through +158°F)
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in
1 minute; 3 right angled directions for 2 hours
50G (490m/s2) acceleration (tested in 3 right angled directions, with 3 shocks in each direction)
.686Nm (6.08 l b • in)
19.6 ~ 29.4N (4.41 ~ 6.61 lbf)
Manual Soldering: See Profile A in Supplement section.
MRT22 models recognized at 10A @ 125V AC; MRT23 models recognized at 5A @ 125V AC
UL File No. WOYR2.E44145
Add “/U” to end of part number to order UL mark on switch
C-UL File No. WOYR8.E44145
Add “/C-UL” to end of part number to order C-UL mark on switch
NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Series MR
Miniature Power Level Rotaries
TYPICAL SWITCH ORDERING EXAMPLE
MR
108
X
ACTUATORS & TERMINALS
Shaft Actuated with
Turret Terminals
Y
Shaft Actuated with
Solder Lug Terminals
T
KNOBS
POLES & CIRCUITS
Shaft Actuated with
PC-Turret Terminals
X
A
COLORS
A
Plain Black
108
SP with 2-8 Positions
B
Small Color Tipped
204
DP with 2-4 Positions
C
Large Color Tipped
402
4P with 2 Positions
A
Black
106
SP with 2-6 Positions
B
White
106G
SP with 2-6 Positions
Gold Contacts 0.4VA
C
Red
E
Yellow
F
Green
G
Blue
H
Gray
22
DPDT ON-NONE-ON
23
DPDT ON-OFF-ON
For Plain Knob
No
Code
Black
For Color Tipped
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
MRX108-A
Shaft Actuated
with Plain Black Knob
IMPORTANT:
MRT switches are supplied
without UL marking unless
specified. Specific models
& ratings are noted on the
General Specifications page.
SP with 2-8
Adjustable Positions
PC-Turret Terminals
ACTUATORS & TERMINALS
Shaft Actuated with
PC-Turret Terminals
X
2
1
8
Shaft Actuated with
Turret Terminals
Y
(2.3)
.091
1
(20.0)
.787
(5.0)
.197
(0.8)
.031
Thk = (0.9)
.035
(1.0)
.039
Shaft
(2.3)
.091
(2.3)
.091
1
(3.15) Dia
.124
Shaft Actuated with
Solder Lug Terminals
T
Terminal
6
(3.15) Dia
.124
(20.0)
.787
(5.0)
.197
MR
T- 2
2
(3.15) Dia
.124
(20.0)
.787
(1.3) Dia
.051
(1.0)
.039
(1.0)
.039
Shaft
Terminal
Shaft
(2.0)
.079
(4.0)
.157
(2.4)
.094
(0.9)
.035
Thk = (0.7)
.028
Terminal
NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Series MR
Miniature Power Level Rotaries
POLES & CIRCUITS
Pole
Model
Number of Positions
Stopper Settings
Number of Terminals
Schematics
A
MRX108
2-8
2, 3, 4, 5, 6, 7, 8
1 COM, 8 LOAD
1
SP
MRY106
MRY106G
2 3 4 5 6
2-6
2, 3, 4, 5, 6
1 COM, 6 LOAD
1
2 3 4 5 6
A
DP
MRX204
2-4
2, 3, 4
2
ON-NONE-ON
DPDT
MRT23
3
ON-OFF-ON
2-3
2-1
5-6
5-4
2 3 4 1
2
2-3
OPEN
2-1
5-6
OPEN
5-4
MRX402
2
1&2
2 3 4
5
(COM)
1
3
A
4P
B
2 COM, 8 LOAD
1
MRT22
7 8
A
4
6
C
B
D
4 COM, 8 LOAD
1
2
1
2
1
2
1
2
POSITION SETTING FOR MRX & MRY MODELS
Mounting Hardware
Packaged Loose with Each Switch
Each switch is supplied with the stopper set for the maximum number of
positions allowed for that model. Prior to installation, the desired position
setting should be made. Contact factory for continuous rotation.
AT513M Hex Face Nut
AT507M Locking Ring
1. Using the actuator knob, turn the shaft counterclockwise to the extreme left.
If the shaft is not turned to this extreme position where the white line on the
knob points to the number 1 position shown on the side of the switch,
proper setting cannot be achieved.
2. Remove the knob from the shaft and loosen the nut far enough to allow
raising the stopper plate for resetting to the desired position.
3. Note the position numbers on the side of the switch; these correspond to
the terminal numbers and stopper holes. Insert the stopper in the hole
numbered for the maximum desired number of stop settings. Satisfactory
switch functioning cannot be assured if the stopper plate is not properly
positioned.
4. Tighten the nub (beveled side up) firmly against the stopper plate.
AT509 Lockwasher
Factory Assembled:
Hex Nut
Stopper Plate
2
1
8
1
MRX
1
MRY
6
TYPICAL SWITCH DIMENSIONS
2
D1
90°
Typ
7
8
2
2
COM
B1
3
COM
B1
1
4
(10.0)
.394
2
(17.3)
.681
C1
(5.6)
.220
A1
(0.5) Typ
.020
2
4
(4.0) Dia
.157
2
(20.0)
.787
(5.0)
.197
1
3
(3.15) Dia
.124
(1.0)
.039
45°
Typ
(1.5) Typ
.059
2
(0.8) Typ
.031
(2.3)
.091
50
°
Keyway
22.5°
A5 4
3
(0.9) Typ
.035
M6 P0.75
6
Single, Double & Four Pole
COM
MRX • PC-Turret Terminals
(14.0) Dia
.551
MRX108
NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Series MR
Miniature Power Level Rotaries
TYPICAL SWITCH DIMENSIONS
MRY • Turret Terminals
Single Pole
(3.15) Dia
.124
60°
Typ
60°
Ty
p
(1.3) Dia Typ
.051
M6 P0.75
A
5
(9.0) Dia
.354
2
A
5
2
M
CO
1
6
(2.3)
.091
4
3
3
4
6
(1.85) Dia Typ
.073
1
(1.0)
.039
18°
(5.0)
.197
(5.6)
.220
(20.0)
.787
Keyway
(16.9)
.665
(8.0)
.315
(14.0) Dia
.551
MRY106
MRT • Solder Lug Terminals
Double Pole
(2.3)
.091
120°
M6 P0.75
(5.0)
.197
(24.0)
.945
(3.15) Dia
.124
Keyway
(4.5)
.177
4
5
6
(13.0)
.512
MRT22
(7.5)
.295
(8.5)
.335
(20.0)
.787
3
(1.1) x (2.0) Typ
.043 x .079
(12.0)
.472
2
1
(4.0)
.157
PC FOOTPRINTS FOR MRX SINGLE, DOUBLE, & FOUR POLE
22.5°
° Typ
45
A
(10.0) Dia
.394
Double Pole
(1.98) Dia
.078
5
4
3
4
(10.0) Dia
.394
7
Four Pole
(1.98) Dia Typ
.078
1
6
A
1
2
3
2
(10.0) Dia
.394
3
B
2
(4.5) Dia
.177
1
8
2
(1.32) Dia Typ
.052
(4.5) Dia
.177
1
4
22.5°
° Typ
45
90
°T
yp
Single Pole
22.5°
° Typ
45
(1.32) Dia Typ
.052
2
A
C
1
D
B
2
(4.5) Dia
.177
1
(1.98) Dia Typ
.078
1
2
(1.32) Dia Typ
.052
KNOBS
AT433
Plain Black
A
(19.0) Dia
.748
(11.0) Dia
.433
Material:
Polyacetal
Color:
Black
only
(13.0)
.512
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
(9.5)
.374
(0.5)
.020
Color Codes:
AT4103 Small
Color Tipped
B
A
Black
B
C
White
C
(16.0) Dia
.630
(9.5) Dia
.374
(14.3)
.563
(9.5)
.374
(0.5)
.020
Red
E
Yellow
AT4104 Large
Color Tipped
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
F
Green
G
(18.0) Dia
.709
(11.0) Dia
.433
(15.8)
.622
(9.5)
.374
(0.5)
.020
Blue
H
Gray
PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS
Without
Keyway
(6.35) Dia
.250
(2.2) Dia
.087
With
Keyway
(6.5)
.256
(6.35) Dia
.250
(5.6)
.220
(0.6)
.024
Maximum Effective Panel Thickness
With Standard Hardware: MRX & MRY .095” (2.4mm); MRT .106” (2.7mm)
Without Locking Ring: MRX & MRY .126” (3.2mm); MRT .138” (3.5mm)
NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
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