SIEMENS - SIRIUS - Monitoring Relay
Monitoring Relay
SIRIUS monitoring relays provide reliable protection for machines and plants. Current measured values or conclusive diagnostics messages are indicated on the device display. For easy connection to the controller, most monitoring relays are also available with an IO-Link interface. We offer monitoring relays for electrical and mechanical variables, as well as temperature monitoring according to your requirements. Our extensive relay range has been expanded to include a multifunctional load monitoring relay for DC applications. This is a compact device in which functions such as measuring, monitoring and data transfer are bundled.
SIRIUS 3UG546 DC load monitoring
SIRIUS 3UG4 monitoring relays for electrical and mechanical variables
The SIRIUS 3UG4 monitoring relays monitor the most diverse electrical parameters in the feeder, and provide reliable protection against damage in the plant. They not only feature freely parameterizable threshold values and manifold adjustment options, but also provide conclusive diagnostics and are even able to correct an incorrect phase sequence autonomously. Numerous versions are also available with IO-Link interface for connection to the controller.The SIRIUS 3UG4 monitoring relays also monitor mechanical variables.
The level monitoring relays ensure reliable 1 or 2-point controls and alarm messages in the event of overflow or dry running.
The speed monitoring relays check whether the nominal speed of motors, shafts or powered wheels is exceeded or not reached. Moreover, the relays are suitable for all functions requiring the monitoring of a continuous pulse signal. Optionally with IO-Link connection.
SIRIUS 3RR2 monitoring relays for electrical variables
SIRIUS 3RN2 thermistor motor protection relays
SIRIUS 3RS2 temperature monitoring relays
SIEMENS - SIRIUS - Timing Relay
SIRIUS - Timing Relay
Electronic timing relays are used in control, starting, and protective circuits for all switching operations involving time delays. Thanks to their compact design, the 3RP20/25 timing relays are the ideal timer modules for industrial manufacturers of control cabinets, switchgear and control systems. Due to the narrow design, the 7PV15 timing relays are ideal in particular for use in heating, ventilation and air-conditioning systems and in compressors.
Multifunctional timing relays for standard rail mounting – for global use
Compact timing relays for installation on standard mounting rails
Narrow timing relays for standard rail mounting in control cabinets and distribution boards
3RA28 function modules for the assembly of starters and contactor assemblies for direct-on-line and star-delta (wye-delta) starting
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