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General| Type of voltage | AC/DC |
|---|---|
| Number of CO contacts for auxiliary contacts | 1 |
| Number of NC contacts delayed | 0 |
| Number of NO contacts delayed | 0 |
| Number of change-over switches delayed | 0 |
| Number of NC contacts undelayed | 0 |
| Number of NO contacts undelayed | 0 |
| Number of change-over switches undelayed | 1 |
| Width | 22.5 mm |
| Housing Width | 22.5 mm |
| Operating Temperature | -25 ... 60 °C |
| Protection Class | IP20 |
| Design of the product | Monitoring relay |
| Type | Monitoring relay |
| Operating frequency rated value | 50 ... 60 Hz |
| Rated Operational Current | 0.1 ... 10 A |
| Adjustable response value current | 0.1 ... 10 A |
| Contact Configuration | 1 CO contact |
| Operating range factor control supply voltage rated value at AC | 0.8-1.1 x Un |
| Operating range factor control supply voltage rated value at DC | 0.8-1.1 x Un |
Provides access to product information, technical data, FAQs, and support resources.
Details how to find technical data, compare products, and access further documentation online.
Explains the DataMatrix code on devices for identifying article and serial numbers.
Lists the applicable standards that the monitoring relays comply with.
Defines the proper applications and conditions for safe operation of the devices.
Describes the SIRIUS monitoring relays, their functions, and benefits for plant reliability.
Details screw-type terminal connections, tools, tightening torque, and conductor cross-sections.
Covers mounting options, minimum clearances, and positions for 3RR2 relays.
Provides a comprehensive overview of the functions offered by different monitoring relay series.
Introduces SIRIUS 3RR2 current monitoring relays and their available variants.
Details key properties like reset function, delay times, operating elements, and integrated contacts.
Details front view, position digits, and terminal labels for the 3RR21 relay.
Details the front view and terminal labeling for the 3RR22 standard version.
Lists applications for line monitoring relays in non-stationary systems like cranes and elevators.
Details front view and terminal labeling for the 3UG4511 relay.
Explains monitoring of phase sequence and phase failure, including reverse power effects.
Describes display information and fault indications via LEDs for 3UG4614 relays.
Lists applications for insulation monitoring relays, such as emergency power supplies and renewable energy systems.
Details front view, terminal labels, and rotary buttons for adjusting insulation resistance.
Details front view, terminal labels, and rotary buttons for insulation resistance adjustment.
Defines nominal voltage and permissible tolerance ranges for line voltage.
Explains voltage asymmetry calculation and parameterization of thresholds.
Controls device behavior after tripping, including automatic and manual reset options.
Provides dimension drawings for 3RR2 monitoring relays with contactor and terminal support.
Shows dimension drawings for 3UG4 monitoring relays with different terminal configurations.
Illustrates the menu structure for configuring the 3RR2241 current monitoring relay.
Illustrates the menu structure for configuring the 3RR2242 current monitoring relay.
Illustrates the menu structure for configuring the 3UG4614 line monitoring relay.
Illustrates the menu structure for configuring the 3UG4651 speed monitoring relay.
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