Belimo PRCA-S2-T User Manual

Technical data sheet PRCA-S2-T
Rotary actuator for butterfly valves
• Torque motor 160 Nm
• Nominal voltage AC 24...240 V /
DC 24...125 V
• Control Open/close, 3-point
• with 2 integrated auxiliary switches
Technical data
Electrical data Nominal voltage AC 24...240 V / DC 24...125 V
Nominal voltage frequency 50/60 Hz
Nominal voltage range AC 19.2...264 V / DC 19.2...137.5 V
Power consumption in operation 20 W
Power consumption in rest position 6 W
Power consumption for wire sizing with 24 V 20 VA / with 230 V 52 VA
Auxiliary switch 2 x SPDT, 1 x 10° / 1 x 0...90° (ex works 85°)
Switching capacity auxiliary switch 1 mA...3 (0.5 inductive) A, AC 250 V
Connection supply / control Terminals 2.5 mm²
Connection auxiliary switch Terminals 2.5 mm²
Parallel operation Yes (note the performance data)
Functional data
Torque motor 160 Nm
Manual override with hand crank, can be fixed in any position
Running time motor 35 s / 90°
Running time motor variable 30...120 s
Sound power level, motor 68 dB(A)
Position indication Mechanically (integrated)
Safety
Protection class IEC/EN II reinforced insulation
Protection class UL II reinforced insulation
Protection class auxiliary switch IEC/EN II reinforced insulation
Degree of protection IEC/EN IP66/67
Degree of protection NEMA/UL NEMA 4X, UL Enclosure Type 4X
EMC CE according to 2014/30/EU
Low voltage directive CE according to 2014/35/EU
Certification IEC/EN IEC/EN 60730-1 and IEC/EN 60730-2-14
Certification UL cULus according to UL60730-1A, UL60730-2-
14 and CAN/CSA E60730-1:02
Mode of operation Type 1
Rated impulse voltage supply 4 kV
Rated impulse voltage auxiliary switch 2.5 kV
Control pollution degree 3
Ambient temperature -30...50°C
Non-operating temperature -40...80°C
Ambient humidity Max. 95% r.H., non-condensing
Maintenance Maintenance-free
Mechanical data
Connection flange F07 (F05 only with accessory)
Weight
Weight 5.8 kg
www.belimo.com
PRCA-S2-T • en-gb • 2019-03-08 • subject to changes
1

Belimo PRCA-S2-T Specifications

General

Power Supply	24 VAC/DC
Protection Class	IP20
Connection	Screw terminals
Housing Material	Plastic
Communication Protocol	Modbus RTU
Measuring range humidity	0 to 100% RH
Power consumption	Max. 5 VA
Torque	Not applicable
Weight	0.2 kg
Measuring range temperature	-40 to 60 °C

Summary

Technical Data Overview

Electrical Specifications

Details electrical parameters such as nominal voltage, frequency, voltage range, and power consumption.

Functional Characteristics

Describes operational aspects including torque motor, manual override, running time, and sound power.

Safety Ratings and Certifications

Covers protection classes, degree of protection, EMC, low voltage directive, and certifications.

Mechanical Attributes

Details physical specifications like connection flange and weight.

Safety and Product Features

Important Safety Notes

Provides essential safety warnings regarding installation, usage, and disposal of the device.

Key Product Capabilities

Highlights features like suitability for outdoor applications, parameterization via NFC, and functional reliability.

Accessories and Installation

Available Accessories

Lists optional electrical and mechanical accessories for the actuator, including adapter kits and cables.

Electrical Installation and Wiring

Includes wiring diagrams for different voltage inputs and control types, along with installation notes.

Operation and Service

Operating Controls and Indicators

Explains the function of manual override, auxiliary switch settings, and push-button/LED displays.

Service and Parameterization Methods

Details how to use NFC connection with the Belimo Assistant App and the ZTH EU service tool.

Physical Dimensions and Documentation

Dimensional Drawings

Provides detailed measurements and drawings of the actuator's physical size and mounting interface.

Further Documentation Resources

Lists related documents such as valve-actuator combinations, data sheets, and installation instructions.