MRF403-CG [NKK]
Half-Inch Diameter Process Sealed Rotaries; 半英寸直径的密封处理旋转开关
| 型号： | MRF403-CG |
| 厂家： | 
NIHON KAIHEIKI INDUSTRY CO. LTD. |
| 描述： | Half-Inch Diameter Process Sealed Rotaries |
| 文件： | 总6页 (文件大小：392K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Half-Inch Diameter Process Sealed Rotaries Series MR
Distinctive Characteristics
Low profile body of MRF model accommodates space limitations
required for PCB mounting. For the MRA and MRK bushing
mount models, the range of behind panel body depths is .323”
to .669” (8.2mm to 17.0mm).
Positive detent mechanism for distinct feel and audible feedback.
Metal bushing and housing construction increases durability.
Adjustable stopper plate allows 2–12 position settings.
High contact reliability achieved by the self-cleaning
contact mechanism.
Break-before-make contact timing with sliding contacts in
MRA and rotary contactor disk in MRF and MRK models.
Interior housing seal and molded-in PC terminals, plus shaft
rubber o-ring on MRF and MRK and polyamide cover on MRF
model, allow cleaning after automated soldering.
Exterior rubber washer and double flatted bushing on MRA and MRK
give protection in splashproof applications.
Actual Size
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Half-Inch Diameter Process Sealed Rotaries Series MR
General Specifications
Electrical Capacity (Resistive Load)
For MRA:
250mA @ 125V AC
For MRF or MRK:
0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
10 milliohms maximum for MRA; 50 milliohms maximum for MRF & MRK
100 megohms minimum @ 500V DC
1,000V AC minimum for 1 minute minimum for MRA
500V AC minimum for 1 minute minimum for MRF & MRK
30,000 operations minimum
Mechanical Life:
Electrical Life:
10,000 operations minimum
Range of Operating Torque:
Contact Timing:
0.02 ~ 0.07Nm for MRA; 0.005 ~ 0.02Nm for MRF & MRK
Nonshorting (break-before-make)
MRA – self-cleaning, sliding contact; MRF & MRK – self-cleaning, rotary contactor disk
30°
Indexing:
Materials & Finishes
Shaft:
Brass with nickel plating
Stopper Plate:
Steel with zinc plating for MRA & MRK; polyamide cover with stopper for MRF
Zinc alloy with zinc plating
Copper with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK
Brass with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK
Brass with silver plating for MRA; phosphor bronze with gold plating for MRF & MRK
Diallyl phthalate for MRA; fiberglass reinforced polyamide for MRF & MRK
Bushing/Housing:
Movable Contacts:
End Contacts & Terminals:
Common Contacts & Terminals:
Base:
Environmental Data
Operating Temperature Range:
Humidity:
–10°C through +70°C (+14°F through +158°F)
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
Vibration:
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)
Shock:
Installation
Mounting Torque:
Cap Installation Force:
.686Nm (6.08 lb•in)
19.6 ~ 29.4N (4.41 ~ 6.61 lbf) for MRA & MRK
Processing
Soldering Time & Temperature:
Wave Soldering for MRA: See Profile A in Supplement section.
Wave Soldering for MRF & MRK: See Profile B in Supplement section.
Manual Soldering for MRA: See Profile A in Supplement section.
Manual Soldering for MRF & MRK: See Profile B in Supplement section.
Automated cleaning recommended. Stopper plate, as well as washers for MRA & MRK, must be in
place to maintain automated cleaning. See Cleaning specifications in Supplement section.
Cleaning:
Standards & Certifications
UL Recognition
MRA, MRF, & MRK models have not been tested for UL recognition or CSA certification.
These switches are designed for use in a low-voltage, low-current, logic-level circuit.
When used as intended in a logic-level circuit, the results do not produce hazardous energy.
or CSA Certification:
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Half-Inch Diameter Process Sealed Rotaries Series MR
TYPICAL SWITCH ORDERING EXAMPLE
MR
A
206
A
ACTUATORS & TERMINALS
POLES & CIRCUITS
112 SP with 2-12 Positions
206 DP with 2-6 Positions
403 4P with 2-3 Positions
KNOBS
COLORS
A
F
Shaft Actuated with PC Terminals
A
B
Plain Black
For Plain Knob
Low Profile Screwdriver Actuated
with PC Terminals
Small Color Tipped
Large Color Tipped
No
Black
Code
C
Low Profile Shaft Actuated with
PC Terminals
For Color Tipped
K
A
B
C
E
Black
White
Red
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
MRA206-A
Yellow
Green
Blue
F
G
H
Gray
Shaft Actuated with
Plain Black Knob
DP with 2-6
Adjustable Positions
PC Terminals
ACTUATORS & TERMINALS
Shaft Actuated
with PC Terminals
Low Profile
F
Low Profile
Shaft Actuated
with PC Terminals
K
A
Screwdriver Actuated
with PC Terminals
9
12
0
1
11
4
2
1 0
1 2
2
1
2
0
1
-
11
10
R
1
2 1
1
2
0
2
9
M0
M
C
1
1
11
12
R
-
K
C
1
1
12 11
12 11
(2.3)
.091
(2.3)
.091
(3.5)
.138
(3.5)
.138
(3.5)
.138
(0.8)
.031
(3.15) Dia
.124
(3.15) Dia
.124
(1.0)
.039
(3.15) Dia
.124
(10.0)
.394
(10.0)
.394
(0.5)
.020
(0.5)
.020
(0.5)
.020
Thk = (0.25)
.010
Thk = (0.25)
.010
Thk = (0.25)
.010
Shaft
Terminal
Slotted for
Screwdriver
Terminal
Shaft
Terminal
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Half-Inch Diameter Process Sealed Rotaries Series MR
POLES & CIRCUITS
Pole
Model
Number of Positions
Stopper Settings
Number of Terminals
Schematics
A
MRA112
MRF112
MRK112
2–12
2–12
2–12
2, 3, 4, . . . 12
2, 3, 4, . . . 12
2, 3, 4, . . . 12
1 COM, 12 LOAD
1 COM, 12 LOAD
1 COM, 12 LOAD
SP
1
1
2
3
3
3
4
5
6
6
3
7
8
9
3
3
10 11 12
A
B
MRA206
MRF206
MRK206
2–6
2–6
2–6
2, 3, 4, 5, 6
2, 3, 4, 5, 6
2, 3, 4, 5, 6
2 COM, 12 LOAD
2 COM, 12 LOAD
2 COM, 12 LOAD
DP
4P
2
4
5
1
2
4
5
6
A
B
C
D
MRA403
MRF403
MRK403
2–3
2–3
2–3
2, 3
2, 3
2, 3
4 COM, 12 LOAD
4 COM, 12 LOAD
4 COM, 12 LOAD
1
2
1
2
1
2
1
2
3
POSITION SETTING FOR MRA, MRF, & MRK MODELS
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.
Protective Cover
MRF Models
1. Remove the protective cover from the switch body.
Lens
2. Turn the shaft counterclockwise to the extreme left by using a screwdriver.
3. Inside the cover is a magnifying lens which would be positioned over the
Projection
4
2
1 0
1 2
-
number which is to be the maximum position used; when the cover is then
R
2 1
M0
C
1
12 11
snapped into the switch, the projection beside the lens fits into the correct
hole for setting the stop.
MRK & MRA Models
Standard Mounting Hardware
1. Using the actuator knob, turn the shaft
counterclockwise to the extreme left. If
the shaft is not turned counterclockwise
to the extreme left, proper setting can-
not be achieved. At this extreme posi-
tion, the white line on the knob points
to the number 1 position shown on the
side of the switch.
Packaged Loose with Each Switch:
Hex Face Nut
Locking Ring
Lockwasher
Rubber Ring (MRK)
Factory Assembled:
Hex Nut
2. Remove the knob from the shaft and
loosen the nut far enough to allow rais-
ing the stopper plate, plus washer(s),
for resetting to the desired position.
Stopper Plate
Metal Washer (MRA)
Rubber Washer
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 func-
tioning cannot be assured if the stopper
plate is not properly positioned.
9
1
2
0
1
12
11
0
1
11
2
0
2
9
1
M
1
R
-
K
1
C
1
12 11
2
10
1
11
12
4. Tighten the nut (beveled side up) firmly
against the stopper plate.
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Half-Inch Diameter Process Sealed Rotaries Series MR
TYPICAL SWITCH DIMENSIONS
MRA • PC Terminals
1 Pole
2 Pole
4 Pole
(3.0) Dia
.118
(0.8) Dia Typ
.031
(3.0) Dia
.118
(3.0) Dia
.118
M6 P0.75
7
1
B
B
D
C
A
A
A
(2.3)
.091
Keyway
(3.15) Dia
.124
(1.0)
.039
(6.0)
.236
(9.5) Dia
.374
(10.0)
.394
(5.0)
.197
(17.0)
.669
(10.0)
.394
(9.5) Dia
.374
(16.0) Dia
.630
(9.5) Dia
.374
MRA112
MRF • PC Terminals
1 Pole
2 Pole
4 Pole
(0.8)
.031
(0.25) Typ
.010
Cover
B
B
7
1
7
(12.0) Dia
.472
(4.2)
.165
(0.5) Typ
.020
(12.6) Dia
.496
(8.2)
.323
(3.5)
.138
(12.6) Dia
.496
(14.0) Dia
.551
(12.6) Dia
.496
MRF403
MRK • PC Terminals
1 Pole
2 Pole
4 Pole
(0.25) Typ
.010
M6 P0.75
B
7
B
(12.0) Dia
.472
A
A
(2.3)
.091
Keyway
(0.5) Typ
.020
(12.6) Dia
.496
(12.6) Dia
.496
(12.6) Dia
.496
(3.15) Dia
.124
(10.0)
.394
(5.5)
.217
(10.1)
.398
(3.5)
.138
MRK112
MRK devices are designed to be panel mounted. Installation without panel mounting will affect reliability.
FOOTPRINTS
Single Pole
MRA112
Double Pole
MRA206
Four Pole
MRA403
Double Pole
MRF206
MRK206
Four Pole
MRF403
MRK403
Single Pole
MRF112
MRK112
(0.8) Dia Typ
(0.8) Dia Typ
(0.8) Dia Typ
(3.0) Typ
.118
(3.0) Typ
.118
(3.0) Typ
.118
.031
.031
.031
7
B
B
1
1
8
1
2
1
2
7
2
8
2
6
6
3
3
6
9
6
3
3
3
3
9
5
5
2
1
C
2
5
5
B
B
C
10
(12.0) Dia
.472
D
(9.5) Dia
.374
1
(9.5) Dia
.374
(9.5) Dia
.374
4
4
(12.0) Dia
.472
(12.0) Dia
.472
2
10
11
4
1
4
4
4
1
A
D
A
A
2
5
11
12
5
3
3
3
3
3
12
6
6
2
3
2
2
2
1
3
1
1
3
2
2
1
A
1
A
1
A
(1.0) Dia Typ
.039
(1.0) Dia Typ
.039
(1.0) Dia Typ
.039
p
p
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
Half-Inch Diameter Process Sealed Rotaries Series MR
KNOBS
AT433
Plain Black
AT4103 Small
Color Tipped
AT4104 Large
Color Tipped
A
B
C
Material:
Polyacetal
Base Material:
Polyester
Base Color:
Black
Base Material:
Polyester
Base Color:
Black
(18.0) Dia
.709
(11.0) Dia
.433
(16.0) Dia
.630
(9.5) Dia
.374
(19.0) Dia
.748
(11.0) Dia
.433
Color:
Black
only
(15.8)
.622
(14.3)
.563
Polyamide Tip
Colors:
Polyamide Tip
Colors:
(13.0)
.512
(9.5)
.374
(9.5)
.374
(9.5)
.374
A, B, C, E, F, G, H
A, B, C, E, F, G, H
(0.5)
.020
(0.5)
.020
(0.5)
.020
A
B
C
E
F
G
H
Color Codes:
Black
White
Red
Yellow
Green
Blue
Gray
PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS
Nonsealed Panel
With
Sealed Panel
With Standard Hardware on Nonsealed Panel:
MRA .067” (1.7mm) MRK .087” (2.2mm)
Without
Keyway
(5.6)
.220
(6.2) Dia
.244
Keyway
Without Locking Ring on Nonsealed Panel:
MRA .098” (2.5mm) MRK .118” (3.0mm)
(6.5)
.256
(6.35) Dia
.250
(6.35) Dia
.250
(0.6)
.024
(5.4)
.213
(2.2) Dia
.087
With Standard Hardware on Sealed Panel:
MRK .106” (2.7mm)
STANDARD MOUNTING HARDWARE
AT535
Rubber Ring
AT513M
Metric Hexagon Nut
AT507M
Metric Locking Ring
AT509
Lockwasher
Material:
Material:
Material:
Material:
Nitrile butadiene rubber
1 for MRK
Brass, nickel plating
1 for MRA; 1 for MRK
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
(6.0) Dia
.236
(6.2) Dia
.244
M6 P0.75
(12.0) Dia
.472
(9.4) Dia
.370
(8.0)
.315
(6.4) Dia
.252
(10.2) Dia
.402
(2.0)
.079
(5.5)
.217
(9.0)
.354
(1.5)
.059
(0.5)
.020
(1.7)
.067
(0.8)
.031
(1.3)
.051
OPTIONAL SUPPORT BRACKET
AT543
Support Bracket for MRK
A support bracket
is needed when
the MRK is mounted
only to a PC board
and does not have
the bushing through
a panel.
(18.0)
.709
(18.0)
.709
Material:
Steel with tin plating
(17.5)
(14.9)
.587
.689
(0.5) Typ
.020
(3.8) Typ
.150
(14.0)
.551
(17.2)
.677
(1.2) Dia Typ
.047
(0.8) Typ
.031
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
05-08
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