Product Description
Emerson SP2403 Unidrive SP AC Servo Drive
Product Overview
- The Emerson SP2403, also branded under Control Techniques (a Nidec company), is a Unidrive SP Series AC Servo Drive designed for precise motor control in industrial automation applications. This variable frequency drive (VFD) supports open-loop vector, closed-loop induction motor, and regenerative control, making it suitable for demanding tasks in industries such as manufacturing, material handling, and process automation. It is a wall-mounted, high-performance drive with a compact design, ideal for controlling induction, servo, and synchronous motors.
Technical Specifications
- The SP2403 has the following specifications based on documentation from Emerson, Control Techniques, and industry sources:
| Specification | Details |
|---|---|
| Model/Part Number | SP2403 |
| Manufacturer | Emerson (Control Techniques / Nidec) |
| Description | Unidrive SP AC Servo Drive, Variable Frequency |
| Series | Unidrive SP |
| Nominal Input Voltage | 380–480 VAC (3-phase) |
| Input Voltage Range | 432–528 VAC |
| Input Frequency | 50/60 Hz |
| Input Current | 26.6 A (typical, balanced supply) |
| Output Power | 15 kW (400 V) / 20 HP (460 V) |
| Output Current | Normal Duty: 29 A (20 HP) Heavy Duty: 25 A (15 HP) |
| Peak Current | 31 A |
| Output Frequency | 0–550 Hz |
| Switching Frequency | 3 kHz (default, up to 16 kHz configurable) |
| Motor Control Modes | Open Loop Vector, Closed Loop Induction Motor, Regenerative Control |
| Digital Outputs | 3 x 0–24 VDC (source), 1 x 2 A / 240 VAC (relay contact) |
| Analog Inputs | 1 x ±9.8 VDC (differential, 16-bit) 2 x 0–20 mA / 4–20 mA / ±9.8 VDC (single-ended, 10-bit) |
| Analog Outputs | 2 x 0–20 mA / 4–20 mA / ±10 VDC (single-ended, 10-bit) |
| Communication | Modbus RTU / RS-485 (optional fieldbus modules available) |
| Safety Features | Single Safe Torque Off (STO), SIL3/PLe |
| Protection Rating | IP20 / NEMA 1 |
| Operating Temperature | 0°C to 40°C (32°F to 104°F), derating above 40°C |
| Dimensions | Height: 389 mm (15.3 in) Width: 155 mm (6.1 in) Depth: 219 mm (8.6 in) |
| Weight | Approx. 6.8 kg (15 lb 6 oz) |
| Mounting | Wall-mounted (surface or through-panel with brackets) |
Additional Details
- The SP2403 includes the following additional information based on documentation from Emerson, Control Techniques, Radwell, and other industry sources:
- Function: Controls speed and torque of electric motors for applications like conveyors, mixers, fans, and pumps; supports Normal Duty (e.g., fans/pumps) and Heavy Duty (e.g., conveyors/mixers) operations; provides precise motor control with open-loop vector, closed-loop induction, and regenerative modes.