Product Overview
Technical Summary
| Product designation | SIMOTICS S permanent-magnet synchronous motor, 1FK7-HD |
|---|---|
| Optimum power | 1.2 kW |
| Optimum speed | 4,500 rpm |
| Mounting design | IM B5 (IM V1, IM V3) |
| Cooling | Natural cooling |
| Encoder system | Resolver R14DQ, 14-bit resolution, internal 2-pole |
| Electrical connectors | Rotatable connectors for signals and power, M23 |
| Shaft end | Feather key, N tolerance |
| Holding brake | without holding brake |
| Degree of protection | IP65; DE flange IP67 |
| Maximum permissible speed | 9,000 rpm mechanical and inverter |
| Product lifecycle | Active Product |
Key Features
- Motor designation: SIMOTICS S synchronous motor 1FK7-HD with 1.2 kW optimum power and 4,500 rpm optimum speed.
- Mounting and cooling: Natural cooling with IM B5 design (IM V1, IM V3).
- Feedback and connectors: Resolver R14DQ feedback with 14-bit resolution and internal 2-pole resolver; rotatable M23 connectors for signals and power.
- Shaft and brake: Shaft with fitted Feather key and N tolerance; without holding brake.
- Protection: Degree of protection: IP65; DE flange: IP67.
Frequently Asked Questions
What identifies Siemens 1FK7043-4CH71-1PA2?
It is a SIMOTICS S 1FK7-HD permanent-magnet synchronous motor with 1.2 kW optimum power, IM B5 mounting, Resolver R14DQ feedback, and natural cooling.
Which feedback and connection details distinguish this motor variant?
It has Resolver R14DQ feedback with 14-bit resolution and internal 2-pole resolver, plus rotatable M23 connectors for signals and power.
What shaft and brake configuration is supplied?
The shaft has a fitted Feather key with N tolerance. The motor is without holding brake.
What protection and speed limits are listed?
Protection is IP65, with an IP67 DE flange. Maximum permissible speed is 9,000 rpm for mechanical and inverter operation.
