MRX204-A NKK Switches, MRX204-A Datasheet - Page 4

• Manufacturer Part Number: MRX204-A
• Description: SW ROTARY DP BLK KNOB PC TURRET
• Manufacturer: NKK Switches
• Series: MRr
• Type: Rotaryr

Specifications of MRX204-A

• Number Of Positions: 2 ~ 4
• Number Of Decks: 1
• Number Of Poles Per Deck: 2
• Circuit Per Deck: DP4T
• Contact Rating @ Voltage: 2A @ 125VAC
• Actuator Type: Knob
• Mounting Type: Panel, PCB Through Hole
• Termination Style: PC Pin
• Orientation: Vertical
• Angle Of Throw: 45°
• Body Style: Miniature
• Current, Rating: 2/1 AAC/ADC
• Dielectric Strength: 1000 VAC
• Mounting Hole Size: 0.025 "
• Number Of Poles: 2
• Termination: Turret
• Voltage, Rating: 125/30 VAC/VDC
• Total # Of Positions: 3
• Pole Throw Configuration: DP
• Actuator Style: Shaft
• Actuator Material: Brass
• Current Rating (max): 2A
• Illumination Type: Not Required
• Ac Voltage Rating (max): 125VVAC
• Dc Voltage Rating (max): 30VVDC
• Mechanical Life: 15000
• Contact Material: Silver Alloy
• Housing Material: Phenolic Resin/Brass
• Product Depth (mm): 14mm
• Product Length (mm): 14mm
• Operating Temp Range: -10C to 70C
• Mounting Style: Panel Mount/Through Hole
• Terminal Type: PC Turret
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 360-2378; MRX204-A-RO; MRX204-A-RO

NKK Switches
MRX108
MRX • PC-Turret Terminals
DPDT
Pole
positions allowed for that model. Prior to installation, the desired position
setting should be made. Contact factory for continuous rotation.
1. Using the actuator knob, turn the shaft counterclockwise to the extreme left.
2. Remove the knob from the shaft and loosen the nut far enough to allow
3. Note the position numbers on the side of the switch; these correspond to
4. Tighten the nub (beveled side up) firmly against the stopper plate.
DP
SP
4P
Each switch is supplied with the stopper set for the maximum number of
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.
raising the stopper plate for resetting to the desired position.
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.
MRY106G
MRX108
MRY106
MRX204
MRX402
MRT22
MRT23
Model
(3.15) Dia
Keyway
.124
Number of Positions
POSITION SETTING FOR MRX & MRY MODELS
2 - 8
2 - 6
2 - 4
2
3
2
(2.3)
.091
TYPICAL SWITCH DIMENSIONS
(20.0)
M6 P0.75
.787
2, 3, 4, 5, 6, 7, 8
Stopper Settings
ON-NONE-ON
Single, Double & Four Pole
.039
(1.0)
ON-OFF-ON
2, 3, 4, 5, 6
POLES & CIRCUITS
Miniature Power Level Rotaries
2, 3, 4
1 & 2
.220
(5.6)
(17.3)
.681
Number of Terminals
2-3
5-6
1 COM, 8 LOAD
1 COM, 6 LOAD
2 COM, 8 LOAD
4 COM, 8 LOAD
(5.0)
.197
2 - 3
5 - 6
(10.0)
.394
OPEN
OPEN
(0.9) Typ
.035
.031
(0.8) Typ
2 - 1
5 - 4
1
2-1
5-4
8
Packaged Loose with Each Switch
MRX
COM
COM
5
1
1
1
AT513M Hex Face Nut
AT507M Locking Ring
Mounting Hardware
Factory Assembled:
AT509 Lockwasher
1
Stopper Plate
A
1
Hex Nut
1 2 3 4 5 6 7 8
1 2 3 4 1
2
Series MR
1 2 3 4 5 6
1
2
Schematics
A
B
3
(COM)
A
A
2
(14.0) Dia
.551
COM
1
1
1
4
.059
MRY
(1.5) Typ
C
2 3 4
B
5
2
1
(4.0) Dia
.157
1
(0.5) Typ
.020
D
6
2