Product Overview
Technical Summary
| Product designation | 1FK7043-4CF21-1RB2 |
|---|---|
| Product family | SIMOTICS S synchronous motor 1FK7-HD |
| Rated power | PN=0.94kW |
| DC link voltage | UDC=300V |
| Rated speed | 3,000 rpm (100 K) |
| Rated torque | 3.0 Nm (100 K) |
| Encoder system | AM20DQI absolute encoder: 20 bits + 12 bits multiturn |
| Interface | DRIVE-CLiQ |
| Mounting design | IM B5 (IM V1, IM V3) |
| Holding brake | Permanent-magnet brake; holding torque 4.0 Nm |
| Protection | IP65 and DE flange IP67 |
Key Features
- Motor designation: SIMOTICS S permanent-magnet synchronous motor, High Dynamic, with PN=0.94kW and UDC=300V.
- Rated performance: Rated speed: 3,000 rpm (100 K); rated torque: 3.0 Nm (100 K); rated current: 3.7 A.
- Encoder feedback: AM20DQI absolute encoder with 20 bits (resolution 1048576, encoder-internal 512 S/R) plus 12 bits multiturn (traversing range 4096 revolutions), with DRIVE-CLiQ interface.
- Mounting and shaft: IM B5 (IM V1, IM V3) design, feather key shaft end, and M23 connector size.
- Brake and connections: Permanent-magnet holding brake with 4.0 Nm holding torque and DC 24 V ± 10 % supply; signal and power connectors are rotatable.
- Protection and cooling: Natural cooling; degree of protection IP65 and DE flange IP67.
Frequently Asked Questions
Which specifications distinguish Siemens 1FK7043-4CF21-1RB2?
Check PN=0.94kW, UDC=300V, 3,000 rpm (100 K), 3.0 Nm (100 K), the AM20DQI 20-bit + 12-bit multiturn encoder, holding brake, IM B5 mounting, feather key, and IP65 with DE flange IP67.
What encoder and interface does this exact motor have?
It has an AM20DQI absolute encoder with 20 bits plus 12 bits multiturn and a DRIVE-CLiQ interface.
What brake and shaft details should be checked?
The configuration has a permanent-magnet holding brake with 4.0 Nm holding torque and a feather key shaft end.
What details are needed to request a quotation?
Provide the complete order number 1FK7043-4CF21-1RB2, required quantity, and destination.
