- Electricity - Electronics
- Switch and Relay
- Overload relay
- Arcteq Relays Ltd
Thermal protection relay AQ-M257three-phasefor electric motorsIEC
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Characteristics
- Measured/monitored value
- thermal
- Network
- three-phase
- Applications
- for electric motors
- Norms
- IEC
- Other characteristics
- differential, modular
Description
The AQ-M257 offers a modular motor protection and control solution for larger and more important motors requiring differential protection. Up to 9 optional I/O or communication cards are available for extensive monitoring and control applications. Up to 16 RTD signals can be connected for thermal alarming and tripping. The AQ-M257 communicates using various protocols including IEC 61850 substation communication standard.
Highlights
Differential protection
Large I/O capability
5 time constant accurate thermal model
Softstart protection starting from 6Hz
Stardelta started motor supervision
2 speed motor protection
Up to class 0.2S power and energy measurement
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.