Product Overview
Technical Summary
| Product designation | SIMOTICS S 1FK7-HD permanent-magnet synchronous motor |
|---|---|
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Maximum permissible speed | 9,000 rpm |
| Feedback system | Resolver R15DQ, 15 bits, resolution 32768, internal multi-pole |
| Mounting design | IM B5 (IM V1, IM V3) |
| Shaft | Plain shaft |
| Cooling | Natural cooling |
| Connector size | M23 |
| Holding brake | Permanent-magnet brake; holding torque 4.0 Nm |
| Degree of protection | IP64 |
Key Features
- Product designation: SIMOTICS S 1FK7-HD permanent-magnet synchronous motor.
- Performance: Optimum power: 1.4 kW; rated speed (100 K): 4,500 rpm; rated torque (100 K): 3.0 Nm.
- Feedback and interface: Resolver R15DQ with 15-bit resolver, resolution 32768, internal multi-pole design, and DRIVE-CLiQ interface.
- Mounting and shaft: IM B5 (IM V1, IM V3) design with plain shaft and rotatable M23 connectors for signals and power.
- Cooling and protection: Natural cooling and IP64 degree of protection.
- Holding brake: Permanent-magnet holding brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply.
Frequently Asked Questions
What product does Siemens order number 1FK7044-4CH71-1UH0 identify?
It identifies a SIMOTICS S 1FK7-HD permanent-magnet synchronous motor with 1.4 kW optimum power, 4,500 rpm rated speed, Resolver feedback, a holding brake, and IP64 protection.
Which specifications distinguish this 1FK7 variant?
Key identifiers are IM B5 (IM V1, IM V3) mounting, a plain shaft, natural cooling, rotatable M23 signal and power connectors, Resolver R15DQ feedback, and a permanent-magnet holding brake.
What brake and supply details should be checked?
The holding brake is a permanent-magnet brake with 4.0 Nm holding torque, DC 24 V ± 10 % power supply, 0.5 A coil current, 70 ms opening time, and 30 ms closing time.
What should be provided for a quotation request?
Provide the complete order number, required quantity, and destination.
