Product Overview
Technical Summary
| Product designation | SIMOTICS S 1FK7-CT permanent-magnet synchronous motor |
|---|---|
| Order number | 1FK7105-2AC71-1RB1 |
| Optimum power | 7.7 kW |
| Rated speed (100 K) | 2,000 rpm |
| Rated torque (100 K) | 37.0 Nm |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn |
| Interface | DRIVE-CLiQ |
| Mounting design | IM B5 (IM V1, IM V3) |
| Cooling | Natural cooling |
| Holding brake | Permanent-magnet brake, holding torque 43.0 Nm |
| Shaft end | Feather key |
| Degree of protection | IP65 |
Key Features
- Product designation: SIMOTICS S 1FK7-CT permanent-magnet synchronous motor.
- Performance: Optimum power: 7.7 kW; rated speed (100 K): 2,000 rpm; rated torque (100 K): 37.0 Nm.
- Encoder system: Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions), with DRIVE-CLiQ interface.
- Mounting and cooling: IM B5 (IM V1, IM V3) design with natural cooling.
- Shaft and brake: Shaft end with feather key and holding brake; holding torque: 43.0 Nm.
- Connections and protection: Rotatable signal and power connectors, M40 connector size, and IP65 degree of protection.
Frequently Asked Questions
Which specifications distinguish Siemens order number 1FK7105-2AC71-1RB1?
The listed variant has 7.7 kW optimum power, an Encoder AM20DQI with 20-bit absolute and 12-bit multi-turn feedback, a holding brake, feather key shaft end, natural cooling, IM B5 (IM V1, IM V3) design, and IP65 protection.
What encoder and interface should be checked for this motor?
Check for Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions), with DRIVE-CLiQ interface.
What brake, shaft, and connection details should be verified?
Verify the permanent-magnet holding brake with 43.0 Nm holding torque, feather key shaft end, and rotatable signal and power connectors with M40 connector size.
What details are needed to request a quotation?
Provide the complete order number 1FK7105-2AC71-1RB1, required quantity, and destination.
