SCE903-001-01A

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The SCE903-001-01A is a servo drive with IP20 protection and a mechanical weight of 6.5 kilograms. Manufactured by Pacific Scientific as part of their SCE900 Servo Drives series, it features a regeneration circuit cut-in voltage of 820–830 VDC. Its power stage efficiency exceeds 97% at continuous power.

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Product Description:

For industry automation tasks that need to be precise and reliable, Pacific Scientific makes the SCE903-001-01A, a high-performance servo drive. It has a strong power output and advanced control features that make it suitable for a lot of different motion control needs. This servo drive is made to work the same way even when the temperature changes.

The SCE903-001-01A servo drive can continuously put out 2.5 kW of power at 25°C when cooled by airflow and 3.5 kW when cooled by forced air. One second of 5 kW of power at 400 VAC and 10.6 kW at 480 VAC are also possible. Continuous output currents of 5.3 A can be sent from the drive at 25°C when cooling with airflow and 10.6 A can be sent when cooling with forced air. At temperatures up to 50°C, the peak output current can hit 10.6 A for 5 seconds. This drive comes with many extra options that make it work better, like option cards and instructions. The drive works with several different command inputs, such as RS-232/485 serial communications, analog, incremental digital, and serial commands. These characteristics provide flexibility and adaptability in a wide range of operational needs.

Based on servo software code, the SCE903-001-01A servo drive works well and can be controlled accurately. It has a code for customizing common unit configurations. The drive can withstand high levels of power and energy, making it suitable for usage in challenging settings. This SC servo drive is a reliable choice for high-performance motion control systems because it has advanced cooling options and flexible command interfaces. Its design and specs show a dedication to quality and innovation in servo drive technology.

Continuous Output Current (convection Cooling At 25°c)
3.75 (5.3) A RMS and sine peak
Continuous Output Power (convection Cooling At 25°c)
2.5 kVA
Dedicated Digital And Analog Interfaces
±10 V input, encoder input/output, Step/Direction, etc.
Input Voltage - Control Power Supply
230 VAC +10% -55%, 50/60 Hz single phase
Input Voltage - Main Power Supply
400 VAC +32% -55%, 50/60 Hz three phase
Maximum Motor Cable Length
50 meters (CE approved with additional mains filter)
Mechanical Weight
6.5 kg (SCE903 variant)
Minimum Motor Winding Inductance
5.7 mH
Operating Temperature
0°C to 50°C (Forced cooling)
Output Current Ripple Frequency
20 kHz
Peak Output Current
7.5 (10.5) A RMS and sine peak, max. 5 s up to 50°C
Power Stage Efficiency
>97% at continuous power
Protection Class
IP20
Regeneration Circuit Cut-in Voltage
820 – 830 VDC
Storage Temperature
-40°C to +70°C

Frequently Asked Questions about SCE903-001-01A:

Q: Do SCE903-001-01A peak currents reach 10.6 A?

A: Yes, it delivers 10.6 A peak current for 5 seconds. This supports high-torque demands in dynamic industrial applications.

Q: How does SCE903-001-01A handle high output power?

A: It uses advanced cooling and efficient firmware. This ensures stable performance at peak power levels up to 10.6 kW.

Q: Why is SCE903-001-01A equipped with analog commands?

A: Analog commands provide precise control flexibility. They enable smooth speed and torque adjustments in complex motion systems.

Q: Does SCE903-001-01A support continuous 2.5 kW power?

A: Yes, under convection cooling at 25°C. This ensures consistent, efficient operation without overheating during prolonged use.

Q: How do SCE903-001-01A cooling options improve performance?

A: Convection and forced air cooling manage heat effectively. This allows higher power outputs and extended operational reliability.


Internal Product Review

  • ‘‘Pacific’s SCE903-001-01A servo drive excels with continuous output power of 2.5 kW at 25°C and peak output current of 10.6 A. Its versatile command interfaces, including analog and incremental digital, enhance system adaptability. Efficient cooling options support performance under varying thermal conditions.’’

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