Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Series/application | 1FK7 servomotors for SINAMICS S120 |
| Optimum power | 1.2 kW |
| Static torque (100 K) | 3.50 Nm |
| Rated speed (100 K) | 4,500 rpm |
| Rated current | 3.3 A |
| Number of poles | 6 |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
| Encoder system | Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) |
| Electrical connectors | Connectors for signals and power rotatable |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Key Features
SIMOTICS S synchronous motor
Permanent-magnet synchronous motor with High Dynamic design.
Permanent-magnet synchronous motor with High Dynamic design.
1.2 kW optimum power
Optimum speed is 4,500 rpm.
Optimum speed is 4,500 rpm.
3.5 Nm static torque at 100 K
Rated speed is 4,500 rpm and rated torque at 100 K is 2.6 Nm.
Rated speed is 4,500 rpm and rated torque at 100 K is 2.6 Nm.
Resolver feedback
Encoder system: Resolver R14DQ, resolver 14 bits, internal 2-pole.
Encoder system: Resolver R14DQ, resolver 14 bits, internal 2-pole.
Rotatable power and signal connectors
Electrical connectors for signals and power rotatable, connector size M23.
Electrical connectors for signals and power rotatable, connector size M23.
IP64 and natural cooling
Degree of protection IP64 with natural cooling and without holding brake.
Degree of protection IP64 with natural cooling and without holding brake.
Frequently Asked Questions
What is Siemens 1FK7043-4CH71-1PA0?
It is a SIMOTICS S synchronous motor with the exact order number 1FK7043-4CH71-1PA0.
What are the key ratings of 1FK7043-4CH71-1PA0?
Key ratings include 1.2 kW optimum power, 3.5 Nm static torque at 100 K, and 4,500 rpm rated speed at 100 K.
Which feedback and connection details does this motor have?
It uses Resolver R14DQ feedback and has rotatable connectors for signals and power with connector size M23.
What mounting and protection details are specified for 1FK7043-4CH71-1PA0?
The motor is designed as IM B5 (IM V1, IM V3), has IP64 protection, and uses natural cooling.
