Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 115DUB300CACAC |
| Product Code | PG115-100 |
| Manufacturer | Control Techniques (Nidec CT) |
| Product Type | AC Permanent Magnet Synchronous Brushless Servo Motor |
| Series | Unimotor PG Series (DUB family) |
| Rated Power | 1.5 kW (≈ 2 HP) |
| Rated Voltage | 200 / 220 V AC, 3-phase |
| Rated Current | 2.5 A (nominal) |
| Rated Speed | 3000 rpm |
| Maximum Speed | 5000 rpm (subject to drive matching) |
| Rated Torque | ~4.8 Nm (continuous) |
| Peak Torque | ~14.4 Nm (3× rated, short-term overload) |
| Positioning Accuracy | ±0.1% (closed-loop) |
| Frame Size | 115 mm (PG115) |
| Length Code | 100 mm (PG115-100) |
| Shaft Type | Keyed shaft (standard) |
| Feedback Device | High-resolution encoder (incremental/absolute, Hiperface/EnDat/resolver per ordering suffix) |
| Brake Option | 24 V DC electromagnetic brake available on select suffixes |
| Insulation Class | Class F (155°C) |
| Protection Rating | IP65 (housing), IP64 (shaft seal) |
| Cooling Method | Natural convection (fan-less) |
| Inertia Class | Low-to-medium inertia, optimized for dynamic response |
| Operating Temperature | -20°C to +40°C (standard); -30°C to +55°C (wide-temperature) |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5%–95% RH, non-condensing |
| Mechanical Life | ≥ 20,000 hours continuous operation |
| Electrical Life | ≥ 10 million start-stop cycles |
| Mounting | IEC standard flange mount |
| Dimensions (L × W × H) | 115 × 100 × 100 mm |
| Weight | 5.2 kg |
| Compatible Drives | Unidrive SP, Unidrive M/ES, Digitax ST, Mentor MP |
| Certifications | CE, UL, cUL, RoHS |
| Lifecycle Status | Discontinued by manufacturer; available as new surplus / new original spare |
| Warranty | 12 months |
Main Features and Advantages
The 115DUB300CACAC (PG115-100) delivers a feature set purpose-built for precision motion control applications where dynamic response, positioning accuracy, and operational reliability are non-negotiable. Its most compelling advantage is the optimized rotor design that balances low inertia with high-energy permanent magnet construction. This engineering approach gives the 115DUB300CACAC (PG115-100) an exceptional torque-to-inertia ratio, enabling extremely fast acceleration and deceleration rates critical for indexing tables, robotic arms, and pick-and-place units where minimizing cycle time is paramount—without sacrificing the smooth operation typically associated with larger, slower motors.Three-fold peak torque capability forms the second pillar of the 115DUB300CACAC (PG115-100)‘s performance profile. With a rated torque of ~4.8 Nm and peak torque reaching ~14.4 Nm for short-duration overloads, the motor can handle sudden load surges, rapid start-stop cycles, and aggressive acceleration ramps that would stall lesser servo motors. In a high-speed packaging machine pick-and-place application, the 115DUB300CACAC (PG115-100) leverages this 3× peak torque to achieve faster cycle times—transferring products from conveyor to tray at speeds exceeding 100 cycles per minute while maintaining millimeter-level placement accuracy. The integrated high-resolution feedback device provides precise positional data to the paired Unidrive M drive, enabling closed-loop control that eliminates cumulative error.Factory-integrated feedback eliminates a major pain point in servo system deployment. Unlike standard motors that require separately purchased and aligned encoder kits—introducing backlash, alignment drift, and installation complexity—the 115DUB300CACAC (PG115-100) comes with its feedback device installed and calibrated at the factory. Depending on the specific ordering suffix, this feedback may be an incremental encoder, an absolute encoder supporting Hiperface or EnDat protocols, or a resolver. This “all-in-one” design ensures the servo drive receives ultra-precise, drift-free position and velocity data from day one, dramatically simplifying commissioning and improving long-term reliability.Industrial-hardened IP65 construction sets the 115DUB300CACAC (PG115-100) apart from commercial-grade servo motors. The fully sealed aluminum housing is dust-tight and protected against low-pressure water jets, allowing the motor to be deployed directly on machinery in challenging environments—food processing washdown stations, pharmaceutical packaging lines, outdoor material handling systems—without requiring an additional protective enclosure. This capability simplifies cabinet design, reduces overall system cost, and extends service life in contaminated atmospheres. The Class F insulation and natural convection cooling further contribute to maintenance-free operation across the motor’s ≥ 20,000-hour mechanical service life.Seamless drive compatibility rounds out the competitive profile of the 115DUB300CACAC (PG115-100). Purpose-engineered for Control Techniques’ Unidrive SP, Unidrive M/ES, Digitax ST, and Mentor MP servo platforms, the motor’s feedback signal and control algorithms are deeply matched to these drives, delivering superior response speed and positioning repeatability compared to generic cross-brand combinations. For facilities with installed Unidrive SP systems, the 115DUB300CACAC (PG115-100) represents a genuine drop-in spare—restoring full system functionality without drive replacement, firmware migration, or control architecture redesign. With the motor now discontinued by the manufacturer, maintaining strategic spares inventory of the 115DUB300CACAC (PG115-100) has become essential for sustaining legacy servo systems and avoiding costly platform-wide migrations.
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