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Bernard Controls STX40 - User Manual

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INSTRUCTIONS FOR START-UP
SQX & STX RANGES - ‘SWITCH’ VERSION
MANUEL DE MISE EN SERVICE
GAMMES SQX ET STX - VERSION ‘SWITCH’
(ATEX & IECEx)
NR 1180_rev.05 AF
Art : 5100136
SQX
STX
Gamme
Range
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Bernard Controls STX40 Specifications

General IconGeneral
Torque40 Nm
Rated Voltage250V AC
Electrical Life100, 000 cycles
Mechanical Life1, 000, 000 cycles
Operating Temperature-20°C to +70°C
Voltage230 V AC
Contact ConfigurationSPDT
Protection DegreeIP65

Summary

Safety Information

Marking

Details the marking requirements for the actuators, including ATEX, IECEx, and IEx certifications.

Installation Area

Specifies the areas where the actuator, a category 2 explosion-proof equipment, can be used.

Cautions for Electrical Connection

Provides warnings and guidelines for opening covers, electrical connections, cable entries, wiring, and water-proofing to prevent explosion risks.

Operation

Details safe operation procedures, including cover handling and respecting duty cycles.

Maintenance

Outlines regular checks for explosion-proof integrity, cable glands, and potential mechanical issues.

Electrical and Temperature Parameters

Specifies power supply voltage, frequency, and ambient temperature ranges for the actuator.

Special Operation Conditions Including Uncorrect Practices

Discusses duty cycle limitations and proper cover opening procedures in explosive atmospheres.

List of Applicable Standards

Lists the various IEC and EN standards that the actuators comply with for explosion protection.

Product Overview

Storage

Actuator on Valve Assembly

Electrical Connection

Preliminary Tests

Setting of Mechanical Stops and Travel Limit Switches

Setting of Torque Limit Switches

Mechanical Position Indicator

Position Feedback Potentiometer (Option)

“TAM” Position Feedback Transmitter (Option)

Maintenance

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