400W Servo Motor R88M-K40030T-S2 with 30mm Shaft, High Torque, Precision Drive

Product Overview

The Omron R88M-K40030T-S2 represents the pinnacle of servo motor technology, specifically engineered for industrial automation applications requiring uncompromising precision and reliability. As part of Omron's acclaimed R88M series, this 400W servo motor delivers exceptional dynamic performance with its 3000 rpm rated speed and 1.27 Nm continuous torque capability. Designed for seamless integration with Omron's motion control ecosystem, the R88M-K40030T-S2 features advanced 17-bit encoder technology that provides positioning accuracy superior to standard industrial servo motors. Its compact 60mm square frame houses a robust permanent magnet synchronous motor capable of peak torque outputs up to 3.82 Nm, making it particularly suitable for high-performance CNC machinery, industrial robotics, and precision automation systems where space constraints and performance requirements must both be satisfied.

Key Features and Technical Advantages

• Optimized Power-to-Size Ratio: The 400W output power in a compact 60mm × 60mm frame (2.5kg weight) enables installation in space-limited automation equipment without sacrificing performance.
• Precision Motion Control: 3000 rpm rated speed (±0.01% speed fluctuation) with 1.27 Nm continuous torque (3.82 Nm peak) ensures smooth operation for high-accuracy applications.
• Advanced Feedback System: Equipped with a high-resolution 17-bit (131,072 pulses/revolution) incremental encoder for exceptional positioning repeatability (±20 arc-seconds).
• Industrial Voltage Compatibility: 200V AC three-phase input matches standard industrial power systems (compatible with 200-230V AC range).
• Rugged Environmental Protection: IP65-rated enclosure (IEC 60529 standard) provides complete dust protection and resistance to water jets from any direction.
• Mechanical Specifications: Features a 14mm diameter keyed shaft with ground finish (JIS B 1301 standard) for secure coupling attachment.
• Thermal Management: Class F insulation (155°C) with built-in thermal protection ensures reliable operation in demanding industrial environments.
• Vibration Resistance: Designed to withstand 49 m/s² vibration (10-55 Hz frequency range) per IEC 60068-2-6 standards.
• Warranty Coverage: Backed by Omron's comprehensive 1-year manufacturer warranty against defects in materials and workmanship.

Industrial Applications

The Omron R88M-K40030T-S2 servo motor excels in precision motion control applications across multiple industries:

• Advanced Robotics: Articulated robot arms (6-axis configurations), SCARA robots, and delta pickers requiring high dynamic response and positioning accuracy.
• CNC Machine Tools: Spindle drives, rotary tables, and linear axis control in milling machines, lathes, and grinding equipment.
• Packaging Machinery: High-speed form-fill-seal machines, cartoners, and labeling systems demanding precise speed synchronization.
• Semiconductor Handling: Wafer steppers, die bonders, and wire bonders where micron-level positioning is critical.
• Automated Assembly: Precision screwdriving, press-fitting, and micro-part assembly applications.
• Printing/Converting: Web tension control in flexographic and rotary printing presses requiring exact registration.
• Medical Equipment: Laboratory automation, diagnostic instrument positioning, and surgical robot actuation.

Detailed Technical Specifications

Parameter	Specification
Product Series	Omron R88M-K Series Servo Motors
Model Number	R88M-K40030T-S2 (complete and accurate model designation)
Motor Type	Permanent Magnet Synchronous Motor (PMSM)
Rated Output	400 Watts continuous (600W peak for short durations)
Speed Characteristics	3000 rpm rated (5000 rpm maximum speed)
Torque Performance	1.27 Nm continuous torque (3.82 Nm peak torque for acceleration)
Electrical Specifications	200V AC three-phase (170-253V operating range), 2.3A rated current
Feedback System	17-bit incremental encoder (131,072 ppr) with index pulse
Mechanical Dimensions	60mm × 60mm square frame, 130mm length (excluding shaft)
Shaft Configuration	14mm diameter, 42mm length, keyway per JIS B 1301-1996
Environmental Ratings	IP65 protection, operates at 0-40°C ambient (derate above 40°C)
Vibration/Shock	49 m/s² vibration resistance, 98 m/s² shock resistance
Weight	2.5 kg (excluding cables and connectors)
Certifications	CE, UL, cUL compliant (specific standards applied upon request)
Warranty Terms	12 months limited warranty from date of purchase

Engineering Advantages and System Integration

The Omron R88M-K40030T-S2 servo motor delivers superior motion control performance through its optimized electromagnetic design featuring high-energy permanent magnets and precision-wound armature. The motor's low cogging design (less than 0.5% of rated torque) ensures smooth rotation at low speeds, critical for applications like machine tool indexing or robotic fine positioning. When paired with Omron's R88D-KN series servo drives, the system achieves position loop bandwidth up to 500 Hz and velocity loop bandwidth exceeding 1 kHz, enabling exceptional dynamic response for high-speed automation.

For maintenance-free operation, the motor utilizes premium-grade bearings rated for 20,000 hours at rated speed (L10 life), significantly reducing downtime in continuous operation environments. The IP65 protection ensures reliable performance even in challenging conditions where dust, oil mist, or occasional water spray may be present. The 17-bit encoder provides not only high resolution but also includes a serial communication interface for advanced diagnostics and parameter configuration when used with compatible Omron drives.

Why Select the Omron R88M-K40030T-S2 Servo Motor?

Choosing the Omron R88M-K40030T-S2 servo motor provides automation engineers with a proven motion control solution that combines precision engineering with industrial durability. The motor's technical specifications are carefully balanced to deliver optimal performance in the 400W power class, with particular attention to torque density and thermal management. As part of Omron's comprehensive motion control portfolio, this servo motor integrates seamlessly with Omron's programmable logic controllers (NJ/NX series) and HMIs to create complete automation solutions. The 1-year manufacturer warranty underscores Omron's confidence in the product's reliability and quality, while the global availability of the R88M series ensures consistent supply chain support for OEMs and system integrators worldwide.