Product Overview
Grayhill 50MT36-01-2-02S 2-Pole 2-Position Shorting Rotary Switch - Solder Lug, 1/8" Flatted Shaft, Military-Style Seal
Condition
Unused NOS. Switch shows no signs of installation or wear. Evaluation: Visual inspection only. Function testing not performed. Sourced from legacy electronics supply chain recovery.
Ships same business day from Idaho. Packed carefully.
Product Overview
Grayhill Series 50 single-deck rotary switch, part number 50MT36-01-2-02S. Measures 1/2" (0.5") in diameter - a compact, panel-mount selector designed for tight-space installations. The "MT" designation indicates a military-style process seal on both the panel face and shaft. Rated 200 mA at 28 VDC and 150 mA at 115 VAC. Contact timing is Shorting (Make-Before-Break): the switch briefly bridges adjacent positions during rotation. Circuits that cannot tolerate a momentary connection between two positions are not compatible with this switch.
Key Features
- Positions: 2
- Poles per deck: 2 (DPDT equivalent)
- Angle of throw: 36 degrees
- Contact timing: Shorting - Make-Before-Break (MBB)
- Current rating: 200 mA at 28 VDC / 150 mA at 115 VAC
- Termination: Solder lug - not PCB-mount compatible
- Shaft: 1/8" (0.125") diameter, flatted - standard 1/4" knobs will not fit
- Mounting: Panel mount, 1/4" mounting hole required
- Sealing: Military-style panel and shaft seal (MT designation)
- Body diameter: 1/2" (0.5") - Series 50
Applications
- Avionics panels and cockpit instrumentation
- Military and defense communication equipment
- Precision test instruments requiring compact manual selection
- Medical diagnostic equipment with space-constrained front panels
- Boutique audio preamps - input selectors, gain switching
Frequently Asked Questions
Is this a Shorting or Non-Shorting switch?
Shorting - Make-Before-Break. During rotation, the wiper briefly connects to the next position before leaving the current one. If your circuit cannot tolerate a momentary bridge between two positions - such as when switching between two separate power supplies - this switch is not compatible. Verify your circuit's contact timing requirement before ordering.
What size mounting hole does this require?
Panel mounting requires a 1/4" hole. This is a panel-mount solder lug switch - it is not compatible with PCB-mount footprints.
Will my standard knobs fit this switch?
Not unless they are rated for a 1/8" (0.125") flatted shaft. Most standard Grayhill knobs and common aftermarket knobs are sized for 1/4" shafts and will not fit. Confirm knob shaft bore before ordering.
Is this part the same as a standard Series 50 switch without the MT designation?
No. The MT suffix identifies military-style sealing on the panel face and shaft. Non-MT variants lack this environmental seal. For sealed installations in vibration-prone or harsh environments, the MT designation is required.
Is hardware or a knob included?
Not confirmed. Verify inclusion of mounting hardware before ordering if required for your application.
The 1/8" shaft and Shorting contact timing are the two most common sources of incompatibility with this switch. Confirm both against your application before purchase.
