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Precision Limit Switch
The Precision Limit Switches provide high accuracy switching at an affordable price. A variety of standard features, such as current capacity, operating force, travel characteristics and actuators let you custom fit the switch to your application. The Precision Limit Switches are available in their compact basic form or enclosed in a rugged metal housing. Cost effective and compact.
Specifications
- Operating Speed: 0.01 m/second to 1 m/second
- Operating Frequency:
Mechanical: 120 operations/minute
Electrical: 20 operations/minute
- Mechanical Life: 3,000,000 operations maximum
- Electrical Life: 500,000 operations minimum
- Contact Resistance: 15 mΩ maximum, initial
- Insulation Resistance: 100 mΩ minimum @ 500 Vdc
- Dielectric Strength:
Between non-current carrying parts: 1000 Vac, 50/60 hz for 1 minute
Between current carrying parts and ground: 2000 Vac, 50/60 hz for 1 minute
- Ambient Operating Temperature:
Basic: -25° to 80°C (-13° to 176°F)
Enclosed: -15° to 80°C (5° to 176°F)
- Environmental Rating Enclosed, Booted: NEMA 1
- Mounting Centers: 1.0 in (25.4 mm), #8 screw size
- Terminal Screws: Bottom facing M4 x 0.7 (8 – 32) – screws with cup washers will accept 22 to 12 AWG (2.5 sq. mm maximum)
- Threaded Bushing: 15/32 in
- Housing Material: Mineral filled phenolic
- Enclosure: Aluminum die casting
- Conduit Fitting On Enclosed Type: 1.2″ NPT
SCREW TERMINAL TYPE BASIC SWITCHES
| Model Number | Description | Specifications | |
| 15 A | 20 A | All Dimensions: mm (in) | |
| E47BMS02 | N/A | Straight Plunger | OF Max: 350 g (12.3 oz) RF Max: 114 g (4.02 oz) PT Max: 0.4 mm (0.016″) OT Max: 1.6 mm (0.063″) MD Max: 0.05 mm (0.002″) OP: 21.5 mm (0.846″) |
| E47BMS22 | E47CMS22 | Straight Lever | OF Max: 70 g (2.47 oz) RF Min: 14 g (0.49 oz) PT Max: 10 mm (0.394″) OT Min: 5.6 mm (0.220″) MD Max: 1.3 mm (0.051″) FP Max: 28.2 mm (1.11″) OP: 19 mm (0.748″) |
| E47BMS04 | E47CMS04 | Extended Straight Plunger | OF Max: 350 g (12.3 oz) RF Max: 114 g (4.02 oz) PT Max: 0.4 mm (0.016″) OT Max: 5.5 mm (0.217″) MD Max: 0.05 mm (0.002″) OP: 21.5 mm (0.846″) |
| E47BMS10 | N/A | Roller Plunger | OF Max: 350 g (12.3 oz) RF Max: 114 g (4.02″) PT Max: 0.4 mm (0.016″) OT Max: 3.58 mm (0.14″) MD Max: 0.05 mm (0.002″) OP: 33.4 mm (1.315″) |
| E47BMS11 | N/A | Cross Roller Plunger | OF Max: 350 g (12.3 oz) RF Max: 114 g (4.02 oz) PT Max: 0.4 mm (0.016″) OT Max: 3.58 mm (0.14″) MD Max: 0.05 mm (0.002″) OP: 33.4 mm (1.315″) |
| E47BMS42 | N/A | Extended Roller Lever | OF Max: 160 g (5.64 oz) RF Max: 22 g (0.78 oz) PT Max: 7.1 mm (0.28″) OT Max: 4.0 mm (0.16″) MD Max: 1.02 mm (0.04″) FP Max: 36.5 mm (1.437″) OP: 30.2 mm (1.189″) |
| E47BMS30 | E47CMS30 | Roller Lever | OF Max: 160 g (5.64 oz) RF Min: 42 g (1.48 oz) PT Max: 2.7 mm (0.106″) OT Max: 2.4 mm (0.094″) MD Max: 0.5 mm (0.02″) FP Max: 32.5 mm (1.28″) OP: 30.2 mm (1.189″) |
| E47BMS43 | N/A | Extended Adjustable Roller | OF Max: 600 g (21.16 oz) RF Min: 300 g (10.58 oz) PT Max: 3.0 mm (0.118″) OT Max: 6.0 mm (0.236″) MD Max: 2.0 mm (0.079″) FP Max: 41 mm (1.614″) OP: 40.4 mm (1.591″) |
