Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-CT |
|---|---|
| Rated power | 2.1 kW |
| Rated speed (100 K) | 2,000 rpm |
| Rated torque (100 K) | 10.0 Nm |
| Encoder | AM20DQI absolute encoder 20 bits + 12 bits multi-turn |
| Encoder interface | DRIVE-CLiQ |
| Holding brake | Permanent-magnet brake, 22.0 Nm holding torque |
| Shaft end | Feather key |
| Connector size | M23 |
| Mounting design | IM B5 (IM V1, IM V3) |
| Degree of protection | IP65 |
| Cooling | Natural cooling |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-CT with PN=2.1 kW.
- Speed and torque: Rated speed: 2,000 rpm (100 K); rated torque: 10.0 Nm (100 K); maximum torque: 37.0 Nm.
- Encoder system: Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) plus 12 bits multi-turn (traversing range 4096 revolutions).
- Connection and mounting: M23 connectors for signals and power are rotatable; design: IM B5 (IM V1, IM V3).
- Brake and shaft: Permanent-magnet holding brake with 22.0 Nm holding torque; shaft end with feather key.
- Cooling and protection: Natural cooling and degree of protection IP65.
Frequently Asked Questions
What identifies Siemens 1FK7081-2AC71-1RB1?
It identifies a SIMOTICS S 1FK7-CT permanent-magnet synchronous motor with PN=2.1 kW, an AM20DQI encoder, a holding brake, and IP65 protection.
Which encoder and interface belong to this exact variant?
The variant has an AM20DQI absolute encoder with 20 bits plus 12 bits multi-turn and a DRIVE-CLiQ interface.
Which brake, shaft, and connector details should be checked?
Check the permanent-magnet holding brake with 22.0 Nm holding torque, the feather-key shaft end, and rotatable M23 signal and power connectors.
What details are needed to request a quotation?
Provide the complete order number 1FK7081-2AC71-1RB1 together with the required quantity and destination.
