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AC Servos-MELSERVO HG-SR421B
| Series | MELSERVO-J4 series |
| Power class | 200 V AC |
| Model name | HG-SR421B |
| Compatible servo amplifier | Refer to " Combinations of Rotary Servo Motors and Servo Amplifiers " for compatible servo amplifier. |
| Power supply capacity [kVA] *50 | 6.3 |
| Continuous running duty *1 - Rated output [kW] | 4.2 |
| Continuous running duty *1 - Rated torque [N・m] *2 | 40.1 |
| Maximum torque [N・m] | 120 |
| Rated speed [r/min] *1 | 1000 |
| Maximum speed [r/min] *1 | 1500 |
| Permissible instantaneous speed [r/min] | 1725 |
| Power rate at continuous rated torque [kW/s] | 99.9 |
| Rated current [A] | 19 |
| Maximum current [A] | 61 |
| Moment of inertia J [x 10 -4 kg・m 2 ] | 161 |
| Recommended load to motor inertia ratio *3 | 15 times or less |
| Speed・position detector | Absolute/incremental 22-bit encoder (resolution: 4194304 pulses/rev) |
| Type | Permanent magnet synchronous motor |
| Oil seal | None (Servo motors with an oil seal are available. (HG-SR_J)) |
| Thermistor | None |
| Insulation class | 155 (F) |
| Structure | Totally enclosed, natural cooling (IP rating: IP67) *4 |
| Environment *50 - Ambient temperature - Operation | 0 °C to 40 °C (non-freezing) |
| Environment *50 - Ambient temperature - Strage | -15 °C to 70 °C (non-freezing) |
| Environment *50 - Ambient humidity - Operation | 10 %RH to 80 %RH (non-condensing) |
| Environment *50 - Ambient humidity - Strage | 10 %RH to 90 %RH (non-condensing) |
| Environment *50 - Ambience | Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust |
| Environment *50 - Altitude | 2000 m or less above sea level *5 |
| Environment *50 - Vibration resistance *50 | X: 24.5 m/s 2 Y: 29.4 m/s 2 |
| Vibration rank | V10 *50 |
| Satisfied standards | Refer to " Standards and certifications (by product) Products " for compliance with global standards and regulations. |
| Permissible load for the shaft *50 - L [mm] | 79 |
| Permissible load for the shaft *50 - Radial [N] | 2058 |
| Permissible load for the shaft *50 - Thrust [N] | 980 |
| Mass [kg] | 33 |
| Electromagnetic Brake *6 - Servo motor model name | HG-SR421B |
| Electromagnetic Brake *6 - Type | Spring actuated type safety brake |
| Electromagnetic Brake *6 - Rated voltage | 24 V DC (-10 % to 0 %) |
| Electromagnetic Brake *6 - Power consumption [W] at 20 ﾟC | 34 |
| Electromagnetic Brake *6 - Electromagnetic brake static friction torque [N・m] | 44 or higher |
| Electromagnetic Brake *6 - Permissible braking work - Per braking [J] | 4500 |
| Electromagnetic Brake *6 - Permissible braking work - Per hour [J] | 45000 |
| Electromagnetic Brake *6 - Electromagnetic brake life *7 - Number of braking times | 20000 |
| Electromagnetic Brake *6 - Electromagnetic brake life *7 - Work per braking [J] | 1000 |
Refer to " Combinations of Rotary Servo Motors and Servo Amplifiers " for compatible servo amplifier.
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Normal delivery takes 2–6 business days subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
