1FK7043-7AH71-1EH3

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SIMOTICS S synchronous servo motor 1FK7 High Dynamic, 3.1 Nm 100K, 4500 rpm, 1.23 kW naturally cooled IM B5 (V1, V3) power/signal connector plug rotatable by 270° ABSOLUTE ENCODER ENDAT 2048 P/REV (ENCODER A-2048); PERFORMANCE REDUCTION BY 10% DUE TO ABSOLUTE ENCODER; PLAIN SHAFT, TOLERANCE N; WITH HOLDING BRAKE DEGREE OF PROTECTION IP64; PAINT FINISH RAL7016 More

Code: 1FK7043-7AH71-1EH3

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Code: 1FK7043-7AH71-1EH3

1FK7043-7AH71-1EH3 – SIMOTICS S-1FK7

Siemens 1FK7043-7AH71-1EH3: SIMOTICS S-1FK7. Permanent-magnet synchronous motor; High Dynamic. Natural cooling. with holding brake.

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Technical specifications

Manufacturer	Siemens
Order number	1FK7043-7AH71-1EH3
Rated speed (100 K)	4,500 rpm
Number of poles	6
Rated torque (100 K)	2.6 Nm
Rated current	4.0 A
Static torque (60 K)	2.50 Nm
Static torque (100 K)	3.10 Nm
Stall current (60 K)	3.60 A
Stall current (100 K)	4.50 A
Moment of inertia	1.140 kgcm²
Net motor weight	7.0 kg
Motor type and design	Permanent-magnet synchronous motor; High Dynamic
Cooling	Natural cooling
Connector size	M23
Degree of protection	IP64
Mounting design	IM B5 (IM V1, IM V3)
Temperature monitoring	KTY84 temperature sensor in the stator winding
Electrical connectors	Connectors for signals and power rotatable
Holding brake	with holding brake
Shaft end	Plain shaft
Encoder system	Encoder AM2048S/R: absolute encoder 2048 S/R, 4096 revolutions multi-turn, with EnDat interface
Speed at optimum operating point	4,500 rpm
Power at optimum operating point	1.2 kW
Maximum mechanical speed	8,000 rpm
Maximum speed with inverter	13,100 rpm
Maximum torque	9.4 Nm
Maximum current	14.8 A
Holding brake type	Permanent-magnet brake
Brake holding torque	4.0 Nm
Holding brake supply voltage	DC 24 V ± 10 %

Calculated values may differ from nameplate ratings.

Part variants and further information

New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.

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