Belimo PKCA-BAC-S2-T - damper actuator with safety function

Belimo PKCA-BAC-S2-T

Communicating actuator for positioning dampers in HVAC systems, comparable industrial systems and technical building installations. If the power supply fails, energy stored in the integrated capacitors moves the damper to the set safety position.

Key features

• Motor torque: 160 Nm; rated voltage: AC 24...240 V / DC 24...125 V, 50/60 Hz.
• Modulating, communicating and hybrid control; communication: BACnet MS/TP, Modbus RTU, MP-Bus.
• Control signal Y range: 2...10 V; configurable to 0.5...10 V or 4...20 mA.
• Motor running time: 35 s / 90°, adjustable from 30...120 s; safety-function running time: 30 s / 90°.
• Safety position adjustable from 0...100%; PF hold time: 2 s, adjustable from 0...10 s.
• Two auxiliary switches 2x SPDT: one with a fixed switching point of 10°, the other adjustable from 0...90°.
• Can connect two passive or active sensors, or switching contacts, and transmit signals via BACnet or Modbus.
• NFC interface for configuration and diagnostics using Belimo Assistant 2; manual adjustment by crank.
• Maximum rotation angle: 95°; mechanical connection: form-fit connection 17x17 mm.
• IEC/EN protection rating: IP66/67; ambient temperature: -30...50°C [-22...122°F].

Electrical data

• Power consumption: 52 W while running, 6 W at rest.
• Power for cable sizing: at 24 V 54 VA / at 240 V 68 VA.
• Terminal connections: power supply and auxiliary switches 2.5 mm², control 1.5 mm².
• IEC/EN protection class: I, protective earth (PE).