Product Summary

The MRA112 is a Half-Inch Diameter Process Sealed Rotary.

Parametrics

Absolute maximum ratings: (1)Contact Resistance: 10 milliohms maximum for MRA; 50 milliohms maximum for MRF & MRK; (2)Insulation Resistance: 100 megohms minimum @ 500V DC; (3)Dielectric Strength: 1,000V AC minimum for 1 minute minimum for MRA 500V AC minimum for 1 minute minimum for MRF & MRK; (4)Mechanical Life: 30,000 operations minimum; (5)Electrical Life: 10,000 operations minimum; (6)Range of Operating Torque: 0.02 ~ 0.07Nm for MRA; 0.005 ~ 0.02Nm for MRF & MRK; (7)Contact Timing: Nonshorting (break-before-make) MRA – self-cleaning, sliding contact; MRF & MRK – self-cleaning, rotary contactor disk; (8)Indexing: 30°.

Features

Features: (1)Positive detent mechanism for distinct feel and audible feedback; (2)Metal bushing and housing construction increases durability; (3)Adjustable stopper plate allows 2–12 position settings; (4)High contact reliability achieved by the self-cleaning contact mechanism; (5)Break-before-make contact timing with sliding contacts in MRA and rotary contactor disk in MRF and MRK models.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MRA112
MRA112

SW ROTARY SP 2-12POS PC
Data Sheet
0-1: $7.84
1-10: $7.13
10-50: $6.42
50-100: $6.06
100-250: $5.52
250-500: $5.17
500-1000: $4.74
1000-5000: $4.63
MRA112/208
MRA112/208
NKK Switches
Rotary Switches SP 12 POS SHAFT ACTR PC CONTN ROTATION
Data Sheet
0-1: $8.10
1-25: $7.93
25-50: $7.84
50-100: $7.67
MRA112-A
MRA112-A

SW ROTARY SP 2-12POS BLK KNOB PC
Data Sheet
0-1: $8.29
1-10: $7.54
10-50: $6.78
50-100: $6.41
100-250: $5.84
250-500: $5.46
500-1000: $5.01
1000-5000: $4.90
MRA112-BA
MRA112-BA
NKK Switches
Rotary Switches SP 11 POS SHAFT ACTR PC BLACK TIPPED KNOB
Data Sheet
0-1: $9.71
1-25: $9.40
25-50: $9.29
50-100: $8.87
MRA112-BB-RO
MRA112-BB-RO
NKK Switches
Rotary Switches SP WHT TIP KNOB 2-12
Data Sheet
0-1: $8.23
1-25: $8.05
25-50: $7.96
50-100: $7.78
MRA112-BC
MRA112-BC
NKK Switches
Rotary Switches SP W/2-12
Data Sheet
0-1: $9.18
1-25: $8.98
25-50: $8.88
50-100: $8.68
MRA112-CB
MRA112-CB
NKK Switches
Rotary Switches Series MR .5 Dia , Logic Level
Data Sheet
0-1: $11.15
1-5: $10.03
5-10: $9.12
10-25: $8.72
MRA112-CC-RO
MRA112-CC-RO
NKK Switches
Rotary Switches SP 2-12 POSITIONS 250mA RED KNOB PC
Data Sheet
0-1: $9.03
1-25: $8.33
25-50: $7.75
50-100: $7.51