# AutomationDirect SV2H-445N

Hardware · `SV2H-445N` · verification: source checked

The SV2H-445N is a high-inertia AC brushless servo motor rated 4.5 kW. It operates at 1500 rpm rated speed and up to 3000 rpm maximum, uses a 24-bit (16777216 ppr) encoder, and is intended for use with the SureServo2 SV2A-4550 5.5 kW drive. It has a 180 mm frame, IP65 rating, and a single 35 mm shaft.

## Specification

| Property | Value |
|---|---|
| Category | servo motor |
| Rated power | 4.5 kW |
| Rated speed | 1500 rpm |
| Rated current | 21.9 A |
| Feedback | 24-bit (16777216 ppr) encoder |
| Frame size | 180mm |
| IP rating | IP65 |

## Connected

- Manufacturer: [AutomationDirect](https://machineschema.com/manufacturer/automationdirect.md)

## Safety

- UL Recognized File # E245050.
- CE declaration available; RoHS status Yes; EU REACH document available.
- UL Listed File # None; UL Hazardous File # None; CSA File # None.
- No integrated holding brake is provided.

## Study notes

- High inertia performance level.
- Rated speed is 1500 rpm; maximum speed is 3000 rpm.
- Holding torque rating is 254 lb-in.
- For use with SureServo2 SV2A-4550 5.5 kW drive.
- Requires SureServo2 SV2C-Pxxx power cable and SV2C-Exxx encoder cable.
- Includes two integrated MS connectors for encoder and power cables.
- Shaft type is single; shaft diameter is 35 mm.
- Integrated brake is not included.
- Steps per revolution up to 24-bit (16777216 ppr).
- Item shipping weight is 61 lb.
- Listed under the 460 V servo motors category; 3-phase input.

## Sources

1. [AC Brushless Servo Motor: high inertia, 4.5 kW (PN# SV2H-445N) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/motion_control/sureservo2_(sv2a_series)_servo_systems/460v_servo_motors,_drives,_motor_cables/sv2h-445n) (accessed 2026-10-26)
2. [SV2H 445N cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/SV2H-445N_cutsheet.pdf) (accessed 2026-10-26)

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