Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your industrial automation motion control system needs a highly reliable high-torque servo motor that can maintain stable performance in harsh industrial environments without demagnetization, this unit acts as the core high-precision motion execution brain.
It is a flagship industrial-grade brushless servo motor from Pacific Scientific R Series, specially designed for heavy-duty industrial motion control scenarios. It is equipped with samarium cobalt rare earth magnet, which can output maximum torque without demagnetization even under long-term high-temperature operation. Its industry-leading torque-to-inertia ratio and anti-cogging stator design ensure ultra-smooth low-speed operation performance, and the low rotor inertia enables extremely fast acceleration and deceleration response. It adopts Class H high-temperature resistant winding, NEMA standard face shaft and mounting, frameless resolver as primary feedback, and is equipped with Viton shaft seal, reaching IP65 TENV fully enclosed protection standard. It integrates built-in thermistor overtemperature protection, with almost zero maintenance design, making it a core replacement part for Pacific Scientific servo system maintenance and retrofit projects in large industrial automation production lines.
R43HCNAR2NSVS00
R43HCNAR2NSVS00
R43HCNAR2NSVS00
R43HCNAR2NSVS00
R43HCNAR2NSVS00
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | R43HCNAR2NSVS00 (R43HCNA-R2-NS-VS-00) |
| Product Type | High-Performance Brushless Servo Motor |
| Manufacturer | PACIFIC SCIENTIFIC |
| Series | R Series (43 Motor Sub-Series) |
| Magnet Type | Samarium Cobalt Rare Earth Magnet (no demagnetization under high temperature) |
| Motor Width | 4 inches |
| Stack Length | 3 inches |
| Winding Class | Class H (high temperature resistant) |
| Installation Standard | NEMA face shaft and mounting |
| Holding Brake | Not equipped |
| Primary Feedback | Frameless resolver (size 21, transmitter type) |
| Secondary Feedback | None |
| Shaft Seal | Viton standard shaft seal |
| Stator Design | Anti-cogging stator (smooth low-speed performance) |
| Rotor Feature | Low rotor inertia (fast acceleration/deceleration) |
| Protection Grade | IP65 TENV (fully enclosed, no ventilation) |
| Overtemperature Protection | Built-in thermistor |
| Maintenance Requirement | Almost zero maintenance |
| Compatible Systems | Pacific Scientific R Series Servo Drives, mainstream industrial motion control platforms |
| Warranty | 12 months from delivery |
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Large High-Speed Packaging Production Line Motion Control: Acts as the core high-precision motion execution unit for high-speed packaging production lines, realizing ultra-smooth low-speed operation and rapid acceleration/deceleration response, ensuring the high-precision positioning of packaging materials and the stable operation of high-speed packaging actions.
- **Large CNC Machine Tool Feed Axis Motion Control: Delivers reliable high-torque servo performance for CNC machine tool feed axis systems, adapting to long-term high-load industrial operation environments, meeting the high-precision and fast-response motion control requirements of CNC machine tools.
- **Large Industrial Robot Joint Motion Control: Adapts to high-vibration industrial workshop environments, providing stable high-torque and high-response motion support for industrial robot joint motion systems.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never arbitrarily connect the power input to a voltage that exceeds the motor rated voltage limit. The third winding will experience overcurrent that causes the Class H winding insulation to break down and burn out.
- ⚠️ Bold Warning 2: Skipping the pre-commissioning full low-speed smoothness test will leave you with hidden cogging torque jitter risks. This motor must confirm the full low-speed operation performance fully meets Pacific Scientific R Series servo specifications before putting into operation.
- ⚠️ Bold Warning 3: Do not arbitrarily use non-matching non-Pacific Scientific standard servo drives for driving. Improper drive parameter configuration will cause the motor to overheat and the samarium cobalt magnet to demagnetize.
A large high-speed packaging production line maintenance team once swapped a Pacific Scientific R43HCNAR2NSVS00 motor and skipped the low-speed test. The hidden anti-cogging stator assembly deviation caused the low-speed operation to jitter, resulting in a 1.5-hour partial shutdown of the packaging production line and a large amount of packaging material scrap.
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against Pacific Scientific’s official R Series servo motor part registry, confirm the part number R43HCNAR2NSVS00 matches the factory label, and inspect no damage or rust on the NEMA mounting face and shaft.
- Live Rig Testing: Power the unit in a calibrated Pacific Scientific R Series servo drive test bench, simulate full low-speed continuous operation and rapid acceleration/deceleration scenarios, and confirm full 2-hour continuous stable operation.
- Parameter Testing: Verify the samarium cobalt magnet torque output performance meets factory specifications, confirm the frameless resolver feedback accuracy meets industrial motion control standards, and validate the built-in thermistor overtemperature protection function works properly.
- Final QA & Packaging: Seal the tested motor in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I directly replace the old Pacific Scientific R Series servo motor with this unit? Well, technically it fits the same NEMA standard mounting footprint, but you must confirm the original servo drive parameter configuration fully matches the motor before replacement to ensure 100% motion control compatibility.
- What exact systems is this motor compatible with? It works natively with Pacific Scientific R Series servo drives, and can seamlessly connect with mainstream industrial motion control platforms, but cannot be directly driven by non-matching non-industrial servo drives without custom adaptation.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by miswiring, overvoltage input, or improper drive parameter configuration in the field.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine Pacific Scientific R43 series motors have a laser-etched part number on the rear housing, not a printed sticker. Clone units almost always fail the full 2-hour low-speed smooth operation stability test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official Pacific Scientific factory servo motor performance test documentation, add 2 extra business days to the turnaround window.
- Does this motor come with a holding brake? No, this specific model R43HCNAR2NSVS00 is not equipped with a holding brake. If you need a brake version, you need to select the corresponding model with brake configuration.
