KUKA 1FK7103-5AF81-1SH3-Z Robot Servo Motor (00-136-893) | Replacement, Equivalent & Selection Guide
The KUKA 1FK7103-5AF81-1SH3-Z (KUKA part number 00-136-893) is a high-performance synchronous servo motor from the Siemens SIMOTICS S-1FK7 series, factory-integrated into KUKA industrial robot systems. Designed for demanding motion control applications, this motor delivers precise torque, high dynamic response, and reliable long-term operation in automated manufacturing environments.
Technical Specifications
- Manufacturer: KUKA / Siemens (OEM: Siemens 1FK7103-5AF81-1SH3-Z)
- KUKA Part Number: 00-136-893
- Series: SIMOTICS S / 1FK7 Compact
- Motor Type: Synchronous Servo Motor (Permanent Magnet)
- Rated Speed: 3000 rpm
- Rated Torque: ~27 Nm (refer to Siemens 1FK7103 datasheet for exact values)
- Encoder: Absolute encoder (DRIVE-CLiQ interface)
- Cooling: Natural convection (IC410)
- Protection Class: IP64
- Insulation Class: F
- Shaft: Smooth shaft with key (1SH3 = with holding brake)
- Brake: Integrated holding brake (Z suffix)
- Weight: ~3.8 kg
- Compatible Drive: Siemens SINAMICS S120
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as direct or near-direct replacements for the KUKA 1FK7103-5AF81-1SH3-Z. Always verify mechanical dimensions, encoder type, and drive compatibility before substitution.
- Siemens 1FK7103-5AF81-1SH3-Z — OEM equivalent (identical unit, Siemens catalog)
- Siemens 1FK7103-5AF71-1SH3-Z — Variant with different encoder option; verify DRIVE-CLiQ compatibility
- Siemens 1FK7100-5AF81-1SH3-Z — Lower frame size; check torque requirements
- Siemens 1FK7103-5AF81-1AA0 — Without holding brake; suitable only if brake not required
- Lenze MCS Series (equivalent frame) — Third-party alternative; requires adapter and drive reconfiguration
- Yaskawa SGMGV-09A Series — Cross-brand equivalent class; requires full drive and encoder adaptation
⚠ Note: Cross-brand replacements require engineering validation. Contact Konmask for selection support.
Why Choose the Original Model
- Plug-and-play compatibility with KUKA KRC4 / KRC5 controllers — no parameter reconfiguration needed
- DRIVE-CLiQ encoder enables automatic motor recognition and electronic nameplate
- Integrated holding brake ensures axis safety during power-off states
- Factory-matched torque curve optimized for KUKA robot arm dynamics
- Siemens quality assurance with full traceability and CE/UL certification
Typical Applications
- KUKA KR AGILUS, KR CYBERTECH, KR QUANTEC series robot joint axes
- Industrial welding, assembly, and material handling automation
- Automotive body-in-white production lines
- Precision pick-and-place and palletizing systems
- Machine tool servo axis replacement and retrofit
System Compatibility
- Controllers: KUKA KRC4, KRC4 compact, KRC5; Siemens SINUMERIK 840D sl
- Drives: Siemens SINAMICS S120 (CU320-2, ALM/SLM modules)
- Communication: DRIVE-CLiQ (native), PROFINET (via controller)
- Software: KUKA WorkVisual, Siemens Startdrive / STARTER
Selection Guide
Use the table below to identify the correct variant for your application:
- Need holding brake? → Confirm -1SH3-Z suffix (brake included)
- No brake required? → Consider 1FK7103-5AF81-1AA0
- Different encoder? → Check 5AF71 (incremental) vs 5AF81 (absolute DRIVE-CLiQ)
- Higher torque needed? → Evaluate 1FK7105 or 1FK7108 frame sizes
- Budget replacement? → Contact Konmask for certified refurbished or equivalent-class options
- Unsure? → Send your robot model and axis number to support@konmask.com for free selection support
Quality Assurance & Sourcing
- All units sourced from authorized distributors or verified surplus channels
- Each motor inspected for encoder integrity, winding resistance, and brake function
- Original packaging and documentation preserved where available
- Traceability records maintained for industrial audit compliance
- Warranty: 12 months from shipment date
How to Order
- Confirm part number: KUKA 00-136-893 / Siemens 1FK7103-5AF81-1SH3-Z
- Specify quantity and required delivery timeline
- Add to cart directly, or contact us for bulk pricing and lead time
- For urgent requirements, email support@konmask.com with your PO details
Replacement & Compatibility FAQ
Q: Can I use a Siemens 1FK7103-5AF81-1SH3-Z to replace KUKA 00-136-893?
A: Yes. The KUKA 00-136-893 is the Siemens 1FK7103-5AF81-1SH3-Z with KUKA-specific labeling. They are mechanically and electrically identical.
Q: Will this motor work with KRC4 without reprogramming?
A: Yes, the DRIVE-CLiQ encoder allows automatic recognition by the KRC4 controller. No manual parameter entry is required.
Q: Is the holding brake compatible with KUKA safety circuits?
A: Yes. The integrated brake meets KUKA’s safety-rated hold requirements for vertical and inclined axes.
Q: Can I replace only the encoder if the motor body is intact?
A: Encoder replacement is possible but requires Siemens-certified service. Contact us for encoder module availability.
Q: Do you offer exchange/core return programs?
A: Yes. Contact support@konmask.com for our exchange pricing on failed units.
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