HEIDENHAIN ROD 426 1500 27S12-03 Incremental Rotary Encoder – Id. No. 376846-M2 – IMA No. 00075339 – used
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HEIDENHAIN ROD 426 1500 27S12-03 Incremental Rotary Encoder – Id. N...
HEIDENHAIN ROD 426 1500 27S12-03 Incremental Rotary Encoder – Id. No. 376846-M2 – IMA No. 00075339
Original HEIDENHAIN incremental encoder with integral bearing, 1500 lines, TTL output – a used part removed from an IMA machine environment (IMA item no. 00075339).
| Type | ROD 426 |
| Full type designation | ROD 426 1500 27S12-03 |
| Id. No. | 376 846-M2 |
| Serial number | 23 773 126 B |
| IMA item number | 00075339 |
| Marking | H3 |
| Line count | 1500 signal periods/revolution |
| Output signal | TTL |
| Supply voltage | 5 V ±10 % |
| Max. scanning frequency | 300 kHz |
| Flange | Synchro flange Ø 58 mm, centering collar 50 mm, bolt circle Ø 42 mm, 3× M4 |
| Shaft | Solid shaft Ø 6 mm × 9.5 mm |
| Electrical connection | M23 circular connector, 12-pin, radial |
| Degree of protection | IP64 (EN 60529) |
| Weight (estimated) | approx. 1.0 kg |
| Condition | Used · removed part |
Product description
The HEIDENHAIN ROD 426 (version 1500 27S12-03, Id. No. 376846-M2) is an incremental rotary encoder with integral bearing for separate shaft coupling. It mounts directly onto the motor or spindle shaft and is fastened via a synchro flange – no additional external bearing is required. A spring-loaded drive coupling compensates for small misalignment between motor and encoder shaft.
The encoder delivers 1500 signal periods per revolution as a TTL square-wave signal and is typically used for speed and position feedback on machine tools, winding units and drive units. Connection is via a 12-pin M23 circular connector (radial), with a 5 V ±10 % supply and a maximum scanning frequency of 300 kHz. The robust aluminum housing with IP64 protection is designed for industrial environments.
Used, removed part with light signs of use on the housing; shaft, flange and connector show no visible damage. A function test is available on request.
Compatibility & applications
Scope of delivery
1 × rotary encoder ROD 426 1500 27S12-03 in a box (removed-part packaging). Pictures may differ from the actual scope of delivery.
Shipping to the USA & worldwide
In stock in Germany and shipped via FedEx or UPS, usually on the day of your order. Transit to the US typically takes 2–5 business days with full tracking. Import duties and fees follow the US regulations in force on the import date and are settled by the importer. More background on availability and pricing of legacy CNC electronics: read our guide for US customers.
Shipping, duties and warranty at a glance: Shipping to the USA.
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