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Control Concepts
DAZIC — 2100 SERIES ZERO SPEED SWITCH
DAZIC Speed Switch
- For shaft input speeds of 4 to 2000 RPM.
- Will operate in temperatures ranging from -40° F to +250° F (-40° C to +482° C).
- NEMA 4/4X housings are painted with an epoxy-based powder coat to provide corrosion resistance as well as protection against dust, rain and hose-directed water.
Contact us Tel: 02-384-6060 Email: info@factocomponents.co.th
Technical Specification | DAZIC® — 2100 SERIES ZERO SPEED SWITCH
DESIGNED FOR SYSTEMS THAT HAVE A HIGH RPM~
DAZIC® Zero Speed Switches monitor the rotary motion of equipment when interlocked as part of a conveyor system, or other shaft-driven process components. The switches ensure that if one machine deviates or fails, the switch will:
-
Actuate a signal or alarm device
-
Break a circuit to a motor
-
Make a circuit to start auxiliary equipment
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Make or break a circuit to other electrical devices
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Signal a control station or PLC
Explosion-proof Zero Speed Switch is available with NEMA 7/9 rating. Contact us for more information.
2100 Series Technical Data |
|
| Driver | Shaft-to-shaft |
| Shaft Diameter | 1/2″ (1.27 cm) |
| Operating Range | 4 to 2000 RPM |
| Driver Torque Required | .0208 ft-lb (4 in-oz) (.0282 Nm) |
| Temperature Tolerance | -40°F to +250°F (-40°C to +121°C) |
| Housing Options | Aluminum (AL) or Cast Iron (CI) |
| NEMA Rating | 4/4x |
| Mounting Options | Base, Flange or Flange with pilot |
| Wiring Contact Options | SPDT, DPDT, SPDT(2) |
| Dimensions (L x W x H) | 6″ x 4-1/4″ x 3-15/16″ (15.29 cm x 10.80 cm x 9.53 cm) |
| Weight | AL – 4 lbs. (1.81 kg) , CI – 8 lbs. (3.63 kg) |
When driven from a critical shaft, a Zero Speed Switch will engage when a system’s normal operating speed:
- Stops due to mechanical failure
- Slows down due to overload
- Changes due to normal machine cycling
- Begins to overspeed
- Reverses rotation
Electrical Wiring Options:
Speed Switch devices coupled to a corresponding shaft, must be properly mounted and aligned to avoid putting extra load on motor bearings, which may cause premature failure. The use of installation accessories such as Mounting Brackets and K-Couplings provide a secure foundation and eliminate misalignment connection problems.
Mounting Styles
Switches can be mounted in any position but they must be aligned and concentric with the corresponding drive shaft.
- Type B – Base Mount
- Type F – Flange Mount
- Type FK – Flange Mount w/ pilot
DPDT
Double Pole, Double Throw
SPDT
Single Pole, Double Throw
SPDT(2)
Direction Indicating
Mounting Bracket:
Mounting Bracket |
Applicable Speed Switch Models |
| MB-1* | 2100 Series 4100 Series 8100 Series |
| MB-2 | 2100-EP Series 8100-EP Series RotoGuard® Models |
Model MB-1 for Zero Speed Switch series 2100
K-Couplings:
The K-Coupling® is made of double-loop ELASTACAST® polyurethane elastomeric material assembled to zinc plated steel hubs, which mount to shafts using
Allen screws. Motor noise and vibration will be dampened. Bearings will last longer and require less maintenance.
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Bore tolerances are AGMA Class 2 – 000 + .002
-
All standard coupling hubs are zinc plated steel
- Standard Keyways
- 1/8″ for 1/2″ dia.
- 3/16″ for 9/16″ and 5/8″ dia. shafts
- Keyways may be obtained on Series 5803 and 5804 couplings for an additional cost.
Available Bore Sizes |
Series 5801 |
Series 5802 |
Series 5803 |
Series 5804 |
| 3/16″ (4.76 mm) | ||||
| 1/4″ (6.35 mm) | ||||
| 5/16″ (7.94 mm) | ||||
| 3/8″ (9.53 mm) | ||||
| 7/16″ (11.11 mm) | ||||
| 1/2″ (12.70 mm) | ||||
| 9/16″ (14.29 mm) | ||||
| 5/8″ (15.88 mm) | ||||
Torque Capacity |
0.25 ft-lb (0.34 Nm) |
1.0 ft-lb (1.36 Nm) |
2.33 ft-lb (3.16 Nm) |
3.33 ft-lb (4.51 Nm) |
Maximum Misalignment |
10° Angular 3/32″ Parallel |
15° Angular 1/8″ Parallel |
15° Angular 3/16″ Parallel |
15° Angular 1/8″ Parallel |
Stub Shaft
| Part No. | Shaft Diameter (A) | Thread Size (B) |
STSH-500 |
1/2″ (12.70 mm) | 1/2-13 UNC-2A |
STSH-625 |
5/8″ (15.88 mm) | 5/8-11 UNC-2A |
*Stub Shaft includes one Jam Nut
02-384-6060 info@factocomponents.co.th www.factocomponents.co.th
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