Manufacturer: Mitsubishi Electric
Product No.: HC-SFS502B
Country of origin:United States
Product Type: AC Servo Motors
Payment: T/T, Western Union
Weight: 24000g
Dimensions: 400mm x 400mm x 20mm
Shipping port: Xiamen
Warranty: 12 months
Designed for high-performance motion control, the Mitsubishi Electric HC-SFS502B AC Servo Motor delivers reliable dynamic response in middle-inertia industrial automation setups. Engineered for compatibility with the MELSERVO-J2-Super amplifier range, this robust 5 kW motor incorporates an integrated electromagnetic holding brake, ensuring vertical axis retention and immediate load stabilization upon de-energization. Its middle-inertia design balances load matching and acceleration characteristics, mitigating rotor resonance in heavy mechanical systems.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | HC-SFS502B |
| Series Name | HC-SFS Series |
| Rated Output | 5.0 kW |
| Rated Speed | 2000 r/min |
| Maximum Speed | 3000 r/min |
| Supply Voltage Class | 200 VAC Class |
| Inertia Type | Middle Inertia |
| Electromagnetic Brake | Yes (Holding Brake Only) |
| Brake Rated Voltage | 24 VDC |
| Mass (Motor Weight) | 23.0 kg (50.7 lbs) |
| Shipping Weight (Calculated) | 24.0 kg (52.9 lbs) |
| Ambient Temperature Rating | 0 to 40 degC (Non-freezing) |
| Connector Type | Pin / Terminal Assignment | Function Description |
|---|---|---|
| Power Connector (MS Style) | A / U | Phase U Power Feed |
| B / V | Phase V Power Feed | |
| C / W | Phase W Power Feed | |
| D / PE | Protective Earth / Frame Ground | |
| Brake Connector (MS Style) | A | Brake Power Input (+24VDC) |
| B | Brake Common (0VDC) | |
| Encoder Connector | Multi-pin Circular | Encoder Signal Feedback (Serial Transmission) |
When migrating legacy systems, the HC-SFS502B directly replaces the standard non-brake HC-SFS502, though the external 24VDC brake supply cabling must be retrofitted. For modernizations moving from MR-J2S drives to the MR-J4 platform, direct connection is not native; users must transition to HG-SR502B motors or use MR-J4 series amplifiers configured with compatible conversion software and interface modules. Keep in mind that older MR-J2S firmware revisions may require parameter adjustment to recognize the high-resolution encoder on the "B" (brake) variant during replacement commissioning.
This motor's electromagnetic brake is strictly designed as a holding brake and must never be used for dynamic braking or decelleration. Attempting to engage the brake while the motor is running at speed will cause rapid wear on the brake lining, leading to slippage and eventual mechanical failure of the holding mechanism. Additionally, heat dissipation is highly dependent on the mounting frame. Ensure the motor is bolted directly to a steel plate acting as a heatsink (minimum dimensions 400mm x 400mm x 20mm recommended) to prevent the internal temperature from triggering amplifier thermal fault codes (AL.30 or AL.46).
To eliminate electromagnetic interference (EMI) causing intermittent absolute position faults (such as AL.1A or AL.20 on the servo amplifier), always use double-shielded encoder cables (such as MR-EKCBL-M) with the shield terminated to the connector frame. Do not route the 24VDC brake control cable alongside high-voltage motor power cables within the same conduit. Always install a surge-absorbing diode in reverse parallel across the brake control relay coil to prevent voltage spikes from back-feeding into the drive's output circuits.
CRITICAL SAFETY WARNING
Prior to starting any installation or maintenance on this motor, ensure that all primary AC supply lines are disconnected. Allow a minimum of 20 minutes for the servo amplifier DC link capacitors to bleed residual charge down to safe levels before touching connections. Check the DC bus indicator light on the drive to confirm safe status.
Mount the motor securely to the mounting surface using grade 8.8 bolts or higher, verifying alignment to prevent radial and axial shaft loading from exceeding mechanical thresholds.
Connect the Protective Earth (PE) ground lead directly to the motor frame terminal using a heavy-gauge copper conductor to mitigate high-frequency leakage currents.
Plug in the high-voltage power connector (U, V, W) and the encoder cable, ensuring thread-locking collars are tightly seated to maintain environmental ingress ratings.
Wire the 24VDC brake power to the dedicated brake connector using a surge suppressing relay circuit configuration designed for inductive loads.
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Returns & Warranty
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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