Field Instruments

General

Variable speed drives for energy-optimized open-loop or closed-loop speed control to control pump and fan motors in building-related applications.

• Demand-controlled speed control of supply and discharge fans in air conditioning systems.
• Demand-controlled speed control of circulating pumps in HVAC systems.
• Pressure boost and control of the fill level of pumps.

Features

• Power range: 0.75 kW to 75 kW (IP20) / 90 kW (IP55)
• Voltage range: 3AC 380 … 480 V
• Standard with RS485/USS, Modbus/RTU, BACnetMS/TP, P1
• Optional PROFIBUS DP, CANopen, PROFINET IO
• 4 internal PID controllers
• High degree of protection IP55/UL Type 12, and for cabinet installation IP20
• With EMC filter Class A (C2) or Class B (C1)
• Modular design of power and control electronics

Specifications

• Make: Siemens
• Model:  G120P-37/35A
• Part No.: 6SL3200-6AM27-5AH0
• Operating voltage: 400 V
• Frequency: 50/60 Hz
• Power output: 37 kW
• Communication: Modbus/RTU , RS485/USS , BACnet MS/TP , PROFIBUS (optional) , PROFINET (optional) , CANopen (optional)
• Overload capacity: 110% for 60 sec. every 300 sec.
• Output current: 75 A
• Output frequency: 550 Hz
• Filter type: B
• Analog inputs, number: 4
• Analog outputs, number: 2
• Digital inputs, number: 6
• Degree of protection: IP20
• Dimensions (W x H x D): 385 x 499 x 253 mm
• Weight (net): 34.3 kg
• Product conformity: CE , UL , RCM , EAC
• Standard: EN 61800-3