Product Information

MRA112-BB-RO

MRA112-BB-RO electronic component of NKK Switches

Datasheet
Rotary Switches SP WHT TIP KNOB 2-12

Manufacturer: NKK Switches
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete
Availability Price Quantity
0 - Global Stock

MOQ : 1
Multiples : 1

Stock Image

MRA112-BB-RO
NKK Switches

1 : USD 25.4375
5 : USD 22.45
10 : USD 21.3875
25 : USD 19.008
50 : USD 18.936
100 : USD 17.772
N/A

Obsolete
     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Illuminated
Number of Positions
Number of Decks
Number of Poles per Deck
Voltage Rating AC
Current Rating
Index Angle
Contact Style
Termination Style
Mounting Type
Contact Plating
Actuator
Series
Contact Form
Voltage Rating
Brand
Index Stops
Operating Temperature Range
Cnhts
Hts Code
Mxhts
Product Type
Factory Pack Quantity :
Subcategory
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Series MR Half-Inch Diameter Process Sealed Rotaries 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: 10 milliohms maximum for MRA 50 milliohms maximum for MRF & MRK Insulation Resistance: 100 megohms minimum 500V DC Dielectric Strength: 1,000V AC minimum for 1 minute minimum for MRA 500V AC minimum for 1 minute minimum for MRF & MRK Mechanical Life: 30,000 operations minimum Electrical Life: 10,000 operations minimum Range of Operating Torque: 0.02 ~ 0.07Nm for MRA 0.005 ~ 0.02Nm for MRF & MRK Contact Timing: Nonshorting (break-before-make) MRA self-cleaning, sliding contact MRF & MRK self-cleaning, rotary contactor disk Indexing: 30 Materials & Finishes Shaft: Brass with nickel plating Stopper Plate: Steel with zinc plating for MRA & MRK polyamide cover with stopper for MRF Bushing/Housing: Zinc alloy with zinc plating G Movable Contacts: Copper with silver plating for MRA phosphor bronze with gold plating for MRF & MRK End Contacts & Terminals: Brass with silver plating for MRA phosphor bronze with gold plating for MRF & MRK Common Contacts & Terminals: Brass with silver plating for MRA phosphor bronze with gold plating for MRF & MRK Base: Diallyl phthalate for MRA fiberglass reinforced polyamide for MRF & MRK Environmental Data Operating Temperature Range: 10C through +70C (+14F through +158F) Humidity: 90 ~ 95% humidity for 96 hours 40C (104F) 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 2 Shock: 50G (490m/s ) acceleration (tested in 3 right angled directions, with 3 shocks in each direction) Sealing: MRK model meets IP67 of IEC60529 standards Installation Mounting Torque: .686Nm (6.08 lb in) Cap Installation Force: 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. Cleaning: 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. Standards & Certifications 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. G16 www.nkkswitches.com Supplement Accessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers TogglesHalf-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 212 position settings. High contact reliability achieved by the self-cleaning contact mechanism. G 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 MRA and MRK and polyamide cover on MRF model, allow cleaning after automated soldering. MRK model meets IP67 of IEC60529 specifications (similar to NEMA 4 & 13). Actual Size www.nkkswitches.com G17 Supplement Accessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers Toggles

Tariff Desc

8536.50.99 9900975 SWITCHES being ANY of the following
a toggle 240VAC current capacity NOT exceeding 3A
b toggle 28VDC current capacity NOT exceeding 3A
c toggle 125VAC current capacity NOT exceeding 6A
d toggle 250VAC current capacity NOT exceeding 6A
e toggle 12VDC current capacity NOT exceeding 16A
f push button max 250VAC current capacity NOT exceeding 1A
g rocker 12VDC current capacity NOT exceeding 30A
h rocker 250VAC current capacity NOT exceeding 10A
i rocker max 250VAC current capacity NOT exceeding 6A
j numeric keypad
k 4-way 100VAC 0.5A OR 25V DC1A
l push button 100VAC 0.5A OR 25VDC 1A
m micro OR mini-micro max 250VAC current capacity NOT exceeding 10A
n knife 50VDC
o mercury 24VDC current capacity NOT exceeding 2A

8536.50.99 9804137 SWITCHES PRINTED CIRCUIT BOARD surface-mount OR through-hole having BOTH of the following
a current rating NOT exceeding 100mA
b voltage rating NOT exceeding 50VAC OR DC

8536.50.99 17109836 SWITCHES PUSH BUTTON panel mount

8536.50.99 9304006 SWITCHES push button illuminated being ANY of
a square
b rectangular
c circular

8536.50.99 1798512 SWITCHES ELECTRICAL having ALL of the following
a length NOT greater than 3cm
b width NOT greater than 2cm
c maximum electric current capacity greater than 11A

8536.50.99 1108450 SWITCHES LIMIT hunting tooth rotating shaft

8536.50.99 17119033 SWITCHES ROCKER panel mounting

8536.50.99 702118 SWITCHES ELECTRIC ROTARY

8536.50.99 1799019 SWITCHES SLIDE being ANY a power switches
i voltage selector
ii two position

8536.50.99 1779783 SWITCHES foot operated having a voltage of NOT less than 230VAC

8536.5 8438589 SWITCHES hall effect magnetically operated

8536.50.99 1812211 SWITCHES PUSHBUTTON mushroom OR dome shaped

8471.60.00 91 Joystick Free

8531.80.00 Electric sound or visual signalling apparatus eg bells, sirens, indicator panels, burglar or fire alarms Other apparatus Free

8541.40.00 54 LED displays Free
N K K SWITCHES
NKK
NKK Switches
NKK SWITCHES CO., LTD.

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