Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor, 1FK7-HD |
|---|---|
| Rated power | PN=0.94 kW |
| DC-link voltage | UDC=300 V |
| Rated speed | 3,000 rpm (100 K) |
| Rated torque | 3.0 Nm (100 K) |
| Rated current | 3.7 A |
| Encoder system | Encoder IC22DQ, incremental encoder 22 bits, DRIVE-CLiQ interface |
| Mounting design | IM B5 (IM V1, IM V3) |
| Electrical connectors | M23, signals and power rotatable |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD, with PN=0.94 kW, UDC=300 V, and NN=3000 rpm.
- Rated performance: Rated speed: 3,000 rpm (100 K). Rated torque: 3.0 Nm (100 K).
- Encoder and interface: Encoder IC22DQ: incremental encoder 22 bits with resolution 4194304, encoder-internal 2048 S/R, commutation position 11 bits, and DRIVE-CLiQ interface.
- Mounting and shaft: Design: IM B5 (IM V1, IM V3). Shaft end: Feather key, with tolerance N.
- Connection and cooling: M23 electrical connectors for signals and power are rotatable. Cooling: Natural cooling.
- Protection and brake: Degree of protection: IP64. Holding brake: without holding brake.
Frequently Asked Questions
What does Siemens order number 1FK7043-4CF21-1DA0 identify?
It identifies a SIMOTICS S synchronous motor, 1FK7-HD, with PN=0.94 kW, UDC=300 V, and NN=3000 rpm.
Which ratings distinguish this exact motor variant?
The supplied ratings include 3,000 rpm rated speed (100 K), 3.0 Nm rated torque (100 K), and 3.7 A rated current.
Which encoder and connection details should be checked?
Check the Encoder IC22DQ incremental encoder with 22-bit resolution and DRIVE-CLiQ interface, plus the rotatable M23 connectors for signals and power.
Which mechanical configuration should be verified before quotation?
Verify IM B5 (IM V1, IM V3) design, Feather key shaft end with tolerance N, Natural cooling, IP64 protection, and without holding brake.
