Siemens 125-5033 owner manual High and Low Exhaust Flow Control

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Applications	11
Fume Hood Controller: 2-Position Constant Volume	11
Basic Operation	12
High and Low Exhaust Flow Control	12
Control Loops	12
Calibration	12
DO3 Output Functionality	13
Warning and Alarm Features	13
Warning Operation	13
Alarm Operation	13
Alarm Strategies	14
Emergency Purge Feature	14
Emergency Purge Operation	14
Emergency Purge Strategies	15
Fail-safe Operation	16
Fume Hood Controller	16
ODP	16
Differential Pressure Transmitter	16
Electronic Actuator Assembly	16
Pneumatic Actuator	16
AO-P Module	16
Point Database	17
Troubleshooting	20
Basic Service Information	20
Preventive Maintenance	20
Safety Features	21
Controller LEDs	21
Glossary	22
Index	26

VI	Siemens Building Technologies, Inc.

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Contents Two-State Constant Volume Fume Hood Controller 125-5033 Rev. AA, SeptemberPage Service Statement Page Table of Contents High and Low Exhaust Flow Control Manual Conventions How To Use This ManualManual Organization Convention ExampleNotation Symbol Meaning Manual SymbolsWhere To Send Comments Datamate SoftwareElectronic Actuation Product OverviewRelated Equipment Pneumatic ActuationOrdering Notes Application DescriptionHardware Inputs Power WiringCommunication Wiring Hardware OutputsLED Type Controller LED IndicatorsOperator Display Panel ODP IndicationLaboratory Exhaust Air Terminal Operator Display PanelVenturi Air Valves Laboratory Exhaust Air TerminalHigh Speed Electronic Actuation Low Speed Electronic Actuation Pneumatic ActuationAnalog Output-Pneumatic AO-P Module Pneumatic ActuatorDifferential Pressure Transmitter Airflow SensorCables Fume Hood Controller 2-Position Constant Volume ApplicationsControl Loops High and Low Exhaust Flow ControlCalibration ElectronicAlarm Operation DO3 Output FunctionalityEmergency Purge Feature Alarm StrategiesEmergency Purge Operation Emergency Purge Strategies Fail-safe Operation Point Database Address Descriptor DescriptionFlow Coeff Flow P Gain Troubleshooting Basic Service InformationPreventive Maintenance Safety Features Controller LEDsCentralized control GlossaryAlgorithm Control loopEquipment controller OCC modeEnglish units Field panelOn text Override switchSlave mode Portable Operator’s TerminalUnocc mode Terminal Equipment ControllerIndex ApplicationIndex

125-5033 specifications

The Siemens 125-5033 is a highly regarded circuit breaker in the world of electrical engineering and power distribution. Known for its robust design and versatile applications, this device offers a host of features that make it suitable for both commercial and industrial use.

One of the main features of the Siemens 125-5033 is its compact size. This allows for easy integration into existing systems without occupying excessive space, making it an ideal choice for facilities with limited room for electrical infrastructure. Its ability to handle high current ratings, typically around 125 amps, ensures that it can support a variety of electrical loads, making it versatile across different applications.

The Siemens 125-5033 employs advanced technologies, such as thermal-magnetic trip mechanisms. This allows for reliable protection against overloads and short circuits. The thermal component of the trip mechanism is designed to react to sustained overcurrent conditions, while the magnetic component responds instantaneously to short circuits. This dual-functionality ensures that the circuit breaker can effectively protect both the conductors and the connected equipment.

In terms of safety, the Siemens 125-5033 comes with advanced arc suppression technologies that minimize the risk of arcing during the circuit interrupting process. This not only enhances the longevity of the breaker but also safeguards personnel working near electrical installations. Additionally, the device features a clear, accessible reset mechanism, making it user-friendly and easy to operate in case of an interruption.

Another notable characteristic of the Siemens 125-5033 is its built-in ground fault protection option. This capability provides an added layer of safety, ensuring that any ground faults are detected and addressed promptly. It is particularly useful in environments where moisture or dust can compromise electrical safety.

The Siemens 125-5033 also boasts compatibility with various monitoring and control systems, enabling seamless communication and integration into smart building management systems. This feature allows facility managers to monitor power usage, identify potential issues, and optimize energy consumption effectively.

Overall, the Siemens 125-5033 circuit breaker is a reliable, safe, and technically advanced choice for those looking to enhance their electrical systems. Its compact size, dual-trip mechanism, ground fault protection, and compatibility with modern technologies make it a valuable asset for any facility looking to improve its electrical safety and efficiency.