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Kollmorgen CB10251
Product Introduction
Original factory customized single-cable integrated wiring assembly developed by Kollmorgen for AKM series SFD3 single-cable servo motors and S400/S600/S700 series servo drives, model CB10251 corresponds to fixed standard cable length, unified integrated power line and feedback signal line inside single double-shielded cable, pre-installed dedicated plug connectors at both ends without on-site terminal crimping processing.
Detailed content
Technical Specifications & Core Performance Parameters (Bold Key Data)
- Model Fixed Cable Length: 10 meters (core code 10 represents length 10m, suffix 251 standard connector configuration)
- Cable Structure Type: Single-cable integrated composite wire (power three-phase lines + encoder feedback multi-core signal lines coexist inside one outer sheath)
- Power Conductor Specification: 4 core 1.5mm² tinned copper power wires (U/V/W motor phase lines + ground wire)
- Feedback Signal Core Specification: 8 core 0.25mm² shielded twisted pair signal wires for SFD3 encoder digital communication
- Outer Shield Layer Structure: Double-layer overall copper braided shielding + independent single-pair signal shielding
- Outer Sheath Material: Oil-resistant, wear-resistant PUR industrial flexible cable sheath
- Minimum Allowable Dynamic Bending Radius: 10× cable outer diameter (moving equipment reciprocating wiring)
- Static Fixed Wiring Bending Radius: 6× cable outer diameter
- Connector Configuration: Drive-side standard S700/S600 single-cable male plug, motor-side AKM series single-cable female plug, fully molded integrated waterproof connector
- Connector Sealing Grade: IP65 mated state, IP54 unmated storage state
- Operating Voltage Rating: 600VAC power circuit, 30VDC signal circuit
- Operating Ambient Temperature Range: -40°C ~ +90°C continuous operation
- Storage Temperature Range: -45°C ~ +100°C
- Allowable Dynamic Reciprocating Bending Cycles: ≥10 million times under standard dynamic bending radius condition
- Certifications: UL, CE industrial cable safety certification
Material Composition
- Power Conductor: Tinned annealed soft copper wire, anti-oxidation and anti-corrosion treatment
- Signal Conductor: High-purity oxygen-free copper thin wire twisted pair for low signal attenuation
- Inner Core Insulation: Cross-linked PE high voltage resistant insulation layer for power cores; PP insulation for signal twisted pairs
- Independent Signal Shield: Single-pair aluminum foil shielding for each feedback twisted pair
- Overall Cable Shield: Double-layer tin-plated copper braided mesh total shielding to suppress external electromagnetic interference
- Outer Protective Sheath: Black PUR polyurethane elastomer, oil-proof, wear-resistant, low temperature resistant
- Connector Shell: Die-cast zinc alloy metal shell with nickel plating anti-corrosion treatment
- Connector Internal Sealing Ring: High-temperature resistant fluorine rubber waterproof dust-proof sealing gasket
Structural Features
- Integrated composite single-cable structure, combines motor power transmission and encoder digital feedback signal transmission into one wiring harness, eliminates separate feedback cable laying
- Double-layer full shielding structure completely isolates external electromagnetic noise interference to high-precision SFD3 absolute encoder signal
- Pre-molded integrated connectors at both cable ends, factory finished crimping and sealing processing, zero on-site wiring crimping work required
- High-flexibility multi-strand twisted wire inner structure, supports long-term reciprocating dynamic bending for robotic arm and moving gantry equipment
- Distinct wire color marking for power phase lines and feedback signal cores, convenient for fault inspection and circuit maintenance
- Connector metal shell integrated grounding contact, automatically realizes full cable shield layer grounding after plug-in mating
Working Principle
- Three-phase adjustable frequency sinusoidal power output from servo drive transmits through internal power conductors to AKM servo motor stator winding for electromagnetic torque generation
- SFD3 absolute encoder inside motor collects rotor real-time absolute position digital signal, transmits back to servo drive control chip through internal shielded twisted pair signal cores
- Double-layer copper braided shielding layer conducts external electromagnetic interference noise to equipment ground through connector metal shell, prevents signal distortion and motor low-speed jitter caused by interference
- PUR wear-resistant outer sheath isolates internal wire cores from external oil mist, dust and mechanical friction damage during equipment long-term operation
Function Characteristics
- Integrated single-cable design halves field wiring quantity, shortens equipment wiring and commissioning time
- Double full-shield structure guarantees stable transmission of high-resolution absolute encoder digital signals under strong industrial electromagnetic interference environment
- High-flex multi-strand inner wire structure supports continuous reciprocating dynamic bending for automated gantry, robotic arm and linear motion equipment
- Pre-assembled factory molded connectors eliminate on-site crimping failure risks and signal short-circuit hidden dangers
- Wide temperature range outer sheath adapts to high-temperature cabinet and low-temperature workshop operating environment
- IP65 sealed mated connectors prevent oil mist, water splash and dust infiltration to internal contact terminals
Advantage Highlights
- Original Kollmorgen matching cable, electrical parameters fully calibrated with SFD3 single-cable servo system, zero signal compatibility failure risk
- Double-layer shielding structure eliminates servo system positioning deviation and low-speed jitter caused by inverter and high-power equipment electromagnetic interference
- 10 million times dynamic bending cycle lifespan far exceeds ordinary PVC industrial cables, reduces cable replacement maintenance frequency for moving equipment
- PUR outer sheath resists mechanical abrasion, cutting fluid and hydraulic oil corrosion in metal processing workshops
- Pre-finished plug connectors save on-site wiring labor cost and avoid poor crimping contact faults
- Fixed standard 10-meter length meets most medium-distance cabinet-to-motor wiring layout demands without extra cable extension splicing
Applicable Industries
All automation equipment equipped with Kollmorgen AKM SFD3 single-cable servo motor and S400/S600/S700 series servo drives: Lithium battery automation lines, CNC machine tools, packaging machinery, semiconductor handling equipment, laser processing equipment, textile high-speed machinery, robotic assembly stations
Installation Requirements
- Static fixed wiring layout maintain bending radius ≥6 times cable outer diameter; dynamic reciprocating moving wiring must maintain bending radius ≥10 times cable outer diameter at all movement positions
- Cable laying path avoid crossing high-current inverter power cables; minimum 15cm separation distance if parallel laying is unavoidable
- Both ends of cable connectors must be fully inserted and locked with built-in lock buckle to ensure complete contact of metal shielding grounding shell
- Do not pull cable directly via connector housing during installation; traction force must act on cable outer sheath to prevent internal core wire disconnection
- For dynamic moving equipment, install cable drag chain for protection; drag chain internal space reserve 30% extra clearance for cable bending expansion
- Cable outer sheath must not contact sharp metal edges; install rubber protection sleeves at all wiring hole passing positions
Usage Precautions
- Strictly prohibit cable splicing and intermediate joint production; broken cable must be fully replaced with complete CB10251 assembly, splicing destroys full shielding performance
- Avoid long-term contact with high-temperature equipment surfaces exceeding 90°C; over-temperature aging cracks PUR outer sheath and damages internal insulation layer
- Do not apply excessive bending force to connector root position; repeated sharp bending breaks internal wire core and generates intermittent signal loss fault
- Conduct quarterly visual inspection of cable outer sheath surface; timely replace cable if scratch, crack or oil corrosion damage appears
- Disconnect servo drive main power supply before plugging/unplugging cable connectors; live plug-in generates instantaneous voltage surge damaging encoder and drive feedback chip
- Prevent heavy mechanical compression on cable during equipment production operation; compression crushes internal twisted signal cores and causes permanent signal transmission failure
- Store spare cables in dry room temperature environment, avoid long-term sunlight ultraviolet radiation accelerating outer sheath aging












