MRF112/328-RO NKK Switches, MRF112/328-RO Datasheet - Page 6

• Manufacturer Part Number: MRF112/328-RO
• Description: Rotary Switches SP 12 POS SCRW DRVR ACTUATED PC LOW TEMP
• Manufacturer: NKK Switches
• Type: Half-Inch Process Sealed Rotariesr

Specifications of MRF112/328-RO

• Number Of Positions: 2 to 12
• Number Of Poles Per Deck: 1
• Number Of Decks: 1
• Index Angle: 30 deg
• Contact Style: Non Shorting
• Contact Form: SP
• Mounting Type: Through Hole
• Contact Material: Phosphor Bronze
• Contact Plating: Gold
• Dielectric Strength: 500 VoltsAC
• Voltage Rating: 28 VoltsAC/DC
• Current Rating: 0.4 Volt-Amp
• Actuator: Screwdriver Actuated
• Contact Rating: 0.4 Volt-Amp at 28 VoltsAC/DC
• Current Rating (max): 0.4 Volt-Amp
• Power Capacity (va): 0.4 Volt-Amp
• Termination Style: PC Terminals
• Voltage Rating Ac: 28 Volts
• Voltage Rating Dc: 28 Volts
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 633-MRF112/328 MR-F112-L4M MRF112/328

Half-Inch Diameter Process Sealed Rotaries
Material:
Polyacetal
Color:
Black
only
Color Codes:
AT513M
Metric Hexagon Nut
Material:
Brass, nickel plating
1 for MRA; 1 for MRK
AT543
Support Bracket for MRK
Material:
Steel with tin plating
Without
Keyway
A
.354
(9.0)
AT433
Plain Black
(6.35) Dia
.250
.020
(0.5)
(2.2) Dia
.087
M6 P0.75
(13.0)
.512
.059
(8.0)
.315
(1.5)
A
Nonsealed Panel
(19.0) Dia
(11.0) Dia
.433
.748
PANEL CUTOUTS & MAXIMUM EFFECTIVE PANEL THICKNESS
MRA & MRK
.256
(6.5)
Black
(3.8) Typ
.150
AT545
Locking Ring
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
With
Keyway
(9.5)
.374
(18.0)
.709
(14.0)
.551
.067
.079
(1.7)
(2.0)
B
(6.35) Dia
.250
STANDARD MOUNTING HARDWARE
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
White
B
OPTIONAL SUPPORT BRACKET
(18.0)
(5.5)
.217
.709
(14.9)
AT4103 Small
Color Tipped
.587
(0.8) Typ
.031
(0.5) Typ
.020
(12.0)
.472
.024
(0.6)
.236
(6.0)
(0.8)
.031
(11.6)
.457
.220
(5.6)
C
Red
.020
KNOBS
(0.5)
(14.3)
.563
Sealed Panel
www.nkk.com
(5.4)
.213
(17.2)
.677
MRK
AT509
Lockwasher
Material:
Steel, chromate over zinc plating
1 for MRA; 1 for MRK
E
(16.0) Dia
.630
.244
(9.5) Dia
.374
(6.2) Dia
Yellow
.047
(1.2) Dia Typ
(17.5)
.689
.374
(9.5)
(6.4) Dia
.252
With Standard Hardware on Nonsealed Panel:
MRA .067” (1.7mm) MRK .087” (2.2mm)
Without Locking Ring on Nonsealed Panel:
MRA .098” (2.5mm) MRK .118” (3.0mm)
With AT513M & AT535 only on Sealed Panel:
MRK .106” (2.7mm)
F
.020
(0.5)
Base Material:
Polyester
Base Color:
Black
Polyamide Tip
Colors:
A, B, C, E, F, G, H
(10.2) Dia
.402
C
Green
AT4104 Large
Color Tipped
G
Series MR
AT535
Rubber Ring
Material:
Nitrile butadiene rubber
1 for MRK
.020
(0.5)
Blue
A support bracket
is needed when
the MRK is mounted
only to a PC board
and does not have
the bushing through
a panel.
(15.8)
.622
(18.0) Dia
.709
(6.2) Dia
.244
(11.0) Dia
.433
(9.4) Dia
.370
H
.051
(1.3)
Gray
G21
.374
(9.5)
G