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Fanox - Model SIA-F -SF6 & Metalclad Switchgear Protection Relay
SIA-F protection relay is suitable to protect installations against O/C and E/F. Its compact size makes this relay adequate for installition where the space is critical. Optionally, other protection functions as the thermal image (ANSI 49) the trip block for switch disconnector and control functions as the monitorization of the CB (ANSI 52), The breaker failure (ANSI 50BF) can be included.
Besides, its special mechanic with the current transformers in charge of the measurement outside, allow the user to change the transformation ratio (by giving turnes throgh the holes of these current transformers.
The relay is designed to work with standard current transformers (1 A or 5 A of secondary) and is able to measure up to 30 times the nominal current. It is provided with local and rear communications, with optional protocols as Modbus RTU or DNP3.0 Serial.
Up to 3 outputs and 2 inputs are included in the relay to monitor and signal different situations in the installation.
The SIA-F is able to record up to 200 events, 4 fault reports and 1 oscillografic records in non-volatile RAM memory with the date and time thanks to its internal real clock (RTC)
Thanks to its versatility and to its compact size, this relay can be used in a lot of applications.
The SIA-F is an overcurrent protection relay with a switched auxiliary power supply (24-220 Vdc / 48-230 Vac). The current is measured by using /5 or /1 current transformers. The relay can be also power supplied by a USB cable connected to the laptop or an standard power bank.
- Protection functions: 50, 50/51, 50N/G, 50/51 N/G, CLP, 86, PLC.
- Trip block for switch disconnector, 49, 49T, 52, 50BF, 68 as optionals.
- High electromagnetic compatibility.
- With circuit breaker control and monitoring (circuit breaker status, number of openings, accumulated amperes, etc.).
- Compact size with reduced depth makes it easier to install and saves costs.
- USB connection on the front (Modbus RTU communication protocol).
- A specific test menu is provided.
- There are three configurable LED indicators on the front of the SIA-F equipment. By default, they indicate indicate if the equipment is On (LED ON), if an alarm has happened (LED ALARM) or if a trip has happened (LED TRIP).
- Programmable logic (PLC)
- 1 Oscillographic record, non-volatile RAM memory in order to store up to 200 events and 4 fault reports, without power supply thanks to its internal RTC (Real Time Clock)
- 50 Phase instantaneous overcurrent
- 50/51 Phase inverse time overcurrent
- 50N/G Neutral instantaneous overcurrent measured/calculated
- 50/51N/G Neutral inverse time overcurrent measured/calculated
- 52 Circuit breaker monitoring
- 49T External trip
- 68 Trip Bus
- 86 Trip output lockout with PLC
- CLP Cold Load Pick-up
- 50BF Circuit breaker opening fault
- 49 Thermal Image
- TB Trip Block for switch disconnector