The Foxboro RH924YA is a high-performance industrial chart recorder and data acquisition unit designed for continuous process monitoring and documentation in critical industrial applications. As part of the Foxboro (now Schneider Electric) instrumentation line, this rugged device provides reliable recording of process variables including temperature, pressure, flow, and other analog signals.

Key Specifications
Parameter Value
Power Rating 18.5 kW (25 HP)
Input Voltage 3-phase 380-500V AC (±10%)
Output Current 38 A
Overload Capacity 150% for 60s
Control Method DTC (Direct Torque Control)
Efficiency >98%
Switching Frequency 1-12 kHz (adjustable)
Main Features
✔ Advanced Motor Control

Speed accuracy: ±0.1% (sensorless)

Torque accuracy: ±2% of rated

Flying start function

✔ Compact Design

Space-saving IP21 enclosure

Forced air cooling

Wall-mount installation

✔ Application Flexibility

10 pre-programmed macros

Built-in PID controller

Customizable logic

✔ Protection

Motor thermal protection

Short-circuit protection

Ground fault detection

✔ Connectivity

RS485 (Modbus RTU) standard

Optional fieldbus adapters

Physical Specs
Dimensions: 350 × 482 × 227 mm

Weight: 18 kg

Ambient Temp: 0-40°C

Certifications
CE

UL

cULus

IEC 61800-3

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