Nkk Switches Rotary switch 28 V DC/AC 0.1 A Switch postions 3 2 x 45 ° MRB14B 1 pc(s) MRB14B Data Sheet
Product codes
MRB14B
Series MRB
Miniature PCB Process Sealed Rotaries
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Rotaries
Electrical Capacity (Resistive Load)
Logic Level:
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.
Other Ratings
Contact Resistance:
80 milliohms maximum
Insulation Resistance:
100 megohms minimum @ 500V DC
Dielectric Strength:
500V AC minimum for 1 minute minimum
Mechanical Life:
30,000 operations minimum
Electrical Life:
10,000 operations minimum
Operating Torque:
0.04Nm average
Contact Timing:
Nonshorting (break-before-make)
Indexing:
45° for On-On-On & 90° for On-None-On
Materials & Finishes
Shaft:
Brass with nickel plating
Bushing:
Zinc alloy with nickel plating
Frame/Bracket:
Steel with tin plating
Movable Contacts:
Beryllium copper spring with gold plating
Stationary Contacts:
Copper with gold plating
Terminals:
Brass with tin plating
Base:
Polyamide
Environmental Data
Operating Temperature Range:
–10°C through +70°C (+14°F through +158°F)
Humidity: 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
Shock:
50G (490m/s
2
) acceleration (tested in 3 right angled directions, with 5 shocks in each direction)
Sealing:
Use of optional o-ring AT535 with MRB meets IP67 of IEC60529 specifications
Installation
Mounting Torque:
.686Nm (6.08 lb
•
in)
Cap Installation Force:
19.6 ~ 29.4N (4.41 ~ 6.61 lbf)
PCB Processing
Soldering: Wave Soldering Recommended: See Profile B in Supplement section
Manual Soldering: See Profile B in Supplement section
Cleaning: Automated cleaning. See Cleaning specifications in Supplement section.
Standards & Certifications
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.
General
Specifications