



Encoders Incremental
3720
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Product is discontinued
A new / comparable product is available for this product.
Carbon fiber-reinforced plastic housing – economical sensor solution.
The incremental compact encoders 3700 / 3720 with optical sensors are available with a resolution of up to 1024 pulses per revolution. The carbon fiber reinforced plastic housing of these incremental encoders is nevertheless extremely robust and resistant. Due to their high IP protection, they are also suitable for outdoor use.
Mechanical | |
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Dimension | Ø 37 mm |
Shaft type |
4 mm hollow shaft, through 5 mm hollow shaft, through 6 mm hollow shaft, through 8 mm hollow shaft, through 1/4 " hollow shaft, through |
Flange type |
Ø 36.80 mm Ø 37.00 mm Ø 46.00 mm |
Working temperature | -20 °C ... +70 °C |
Protection level |
IP65 IP67 |
Connection types |
Radial cable |
Max. rotational speed |
6.000 min-1 |
Weight | 100 g |
Electrical | |
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Scanning | optical |
Resolution max. |
1.024 ppr incremental |
Power supply |
5 V DC 5...30 V DC 10...30 V DC |
Interfaces |
Gegentakt TTL / RS422 |
Options | |
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on request |
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- Tube Tech® cable outlet with extremely high strain relief.
- Also suitable for outdoor use due to the high IP protection.
- Continuous hollow shaft up to 8 mm.
- Only 37 mm diameter dimension.
- Up to 1024 pulses per revolution.
Accessories

Stator coupling, double-winged
For hollow shaft encoders
with flange ø 36 ... 37 mm
Mounting radius 23 mm
For front mounting on the encoder flange. For applications with axial and radial play at high dynamics.
Scope of delivery
- Stator coupling (stainless steel)
- 2 screws for mounting on the encoder
Connection to the application (not included in delivery)
- 2 screws
8.0010.4C00.0000 |

Spring element, short
For hollow shaft encoderswith flange ø 36 ... 58 mm
Mounting radius 16 ... 27 mm
For applications with limited axial play at low dynamics and limited installation space.
Scope of delivery
- Spring element (plastic)
- 1 screw for mounting on the encoder
Connection to the application (not included in delivery)
- Parallel pin 8.0010.4700.0000
8.0010.4H00.0000 |

Spring element, long
For hollow shaft encoderswith flange ø 36 ... 58 mm
Mounting radius 30.7 ... 36.7 mm
For applications with high axial play, at low dynamics.
Scope of delivery
- Spring element (plastic)
- 1 screw for mounting on the encoder
Connection to the application (not included in delivery)
- Parallel pin 8.0010.4700.0000
8.0010.4I00.0000 |