MRB12B-A NKK Switches, MRB12B-A Datasheet

SW ROTARY SPDT STR KNOB BLACK

MRB12B-A

Manufacturer Part Number
MRB12B-A
Description
SW ROTARY SPDT STR KNOB BLACK
Manufacturer
NKK Switches
Series
MRBr
Type
Miniature PCB Process Sealed Rotariesr
Datasheet

Specifications of MRB12B-A

Number Of Positions
2
Number Of Decks
1
Number Of Poles Per Deck
1
Circuit Per Deck
SPDT
Contact Rating @ Voltage
0.4VA @ 28VAC/DC
Actuator Type
Knob
Mounting Type
Panel, PCB Through Hole
Termination Style
PC Pin
Orientation
Vertical
Angle Of Throw
90°
Index Angle
90 deg
Contact Style
Non Shorting
Contact Form
SPDT
Color
Black
Contact Material
Brass
Contact Plating
Tin
Dielectric Strength
500 VoltsAC
Voltage Rating
28 VoltsAC/DC
Current Rating
0.4 Volt-Amp at 28 VoltsAC/DC
Actuator
Shaft Actuated, with Knob
Cap Color
Black
Contact Rating
0.4 Volt-Amp at 28 VoltsAC/DC
Switch Function
ON - NONE - ON
Voltage Rating Ac
28 Volts
Voltage Rating Dc
28 Volts
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
G
General
Series MRB
G28
Electrical Capacity (Resistive Load)
Other Ratings
Materials & Finishes
Environmental Data
Installation
PCB Processing
Standards & Certifications
Operating Temperature Range:
Cap Installation Force:
Insulation Resistance:
Stationary Contacts:
Contact Resistance:
Dielectric Strength:
Movable Contacts:
Operating Torque:
Mounting Torque:
Mechanical Life:
Frame/Bracket:
Contact Timing:
Electrical Life:
Logic Level:
Soldering:
Terminals:
Vibration:
Humidity:
Indexing:
Cleaning:
Bushing:
Sealing:
Shock:
Shaft:
Base:
Specifications
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.
80 milliohms maximum
100 megohms minimum @ 500V DC
500V AC minimum for 1 minute minimum
30,000 operations minimum
10,000 operations minimum
0.04Nm average
Nonshorting (break-before-make)
45° for On-On-On & 90° for On-None-On
Brass with nickel plating
Zinc alloy with nickel plating
Steel with tin plating
Beryllium copper spring with gold plating
Copper with gold plating
Brass with tin plating
Polyamide
–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/s
Use of optional o-ring AT535 with MRB meets IP67 of IEC60529 specifications
.686Nm (6.08 lb
19.6 ~ 29.4N (4.41 ~ 6.61 lbf)
Wave Soldering Recommended: See Profile B in Supplement section
Manual Soldering: See Profile B in Supplement section
Automated cleaning. See Cleaning specifications in Supplement section.
The MRB Series rotaries 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.
2
) acceleration (tested in 3 right angled directions, with 5 shocks in each direction)
www.nkk.com
in)
Miniature PCB Process Sealed Rotaries

Related parts for MRB12B-A

MRB12B-A Summary of contents

Page 1

... Automated cleaning. See Cleaning specifications in Supplement section. The MRB Series rotaries 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. ...

Page 2

Miniature PCB Process Sealed Rotaries Distinctive Characteristics Double flatted bushing prevents rotation in panel and increases stability. Totally sealed construction, achieved with combination of an interior o-ring, a seal between the frame and base, plus insert molded terminals, prevents contact ...

Page 3

... Miniature PCB Process Sealed Rotaries TYPICAL SWITCH ORDERING EXAMPLE 2 B Terminals B Straight with Bracket H Right Angle with Bracket DESCRIPTION FOR TYPICAL ORDERING EXAMPLE 90° MRB12B-A 45° Plain Black Knob SPDT with ON-NONE-ON Circuit & 90° Indexing POLES & CIRCUITS Connected Terminals Position 1 Position 2 Position 3 ...

Page 4

... Single pole model does not have terminals & C2 www.nkk.com Series MRB (2.54) Typ .100 (5.08) .200 C2 C1 (10.16) (1.0) Dia Typ .400 .039 MRB12B 90° Indexing • SPDT • Right Angle PC (2.54) (2.54) Typ .100 .100 (5.08) (2.54) .200 .100 (7.62) .300 (3.5) .138 (1 ...

Page 5

Series MRB 45° Indexing • SP3T • Right Angle PC (2.28) .090 Keyway (3.1) Dia .122 (15.24) .600 MRB14H 45° Indexing • DP3T • Right Angle PC (2.28) .090 Keyway (3.1) Dia .122 (15.24) .600 G MRB24H AT433 A Plain ...

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