Descărcătoare pentru PV

Introduction

PV surge arrestors, also known as surge protective devices (SPDs), are critical for safeguarding photovoltaic (PV) systems from overvoltage events caused by lightning strikes or other electrical disturbances. These devices are designed to limit the voltage and divert the surge current away from sensitive PV equipment, such as solar panels and inverters, thus preventing damage and ensuring the long-term reliability of the system.

Caracteristici

Standards

Complies with IEC 61643-31:2018 and other relevant standards.

Operating Temperature

-40°C to +85°C.

Permissible Operating Humidity

5% to 95%.

Thermal Disconnection: Each arrester is equipped with thermal protection, which disconnects it from the electrical network in case of exceeding the permissible value.

Visual Indication: A visual indicator shows the status of the varistor, with a green flag indicating normal operation and a red flag indicating damage.

Remote Signaling (RC): Some models include remote signaling contacts for monitoring the status of the arrester.

Mounting: All models are designed for easy mounting on a 35 mm DIN rail.

Housing Material: Made of thermoplastic with an extinguishing degree of UL 94 V-0.

ETI product series

Our product line includes the ETITEC series of surge arrestors, designed to provide comprehensive protection for PV systems. The series includes Type 1+2 and Type 2 surge arrestors.

This series is designed to protect against both direct and indirect lightning discharges and is intended for use in PV systems. It features a circuit topology consisting of three varistor stages, each protected by a thermal disconnection device.

Key Features:
- High discharge currents.
- High degree of protection.
- Optical indication of faulty device (green for OK, red for fault).
- Remote signaling (RC version only).
- DIN rail mounting (EN 60715).
- MOV varistor as the protective element.
- Thermal protection that disconnects the arrester from the electrical network if permissible values are exceeded.
- Pluggable design for quick module replacement with a latch lock.
- Protection against installation of incompatible modules.
- Additional protection against contact with current-carrying parts and conductors contacting each other.
- Connection up to 35mm².
- Compliance: IEC 61643-31:2018+A1:2014.

Surge Ratings:
- ETITEC M T12 PV: Total discharge current (ITotal) up to 12.5 kA (10/350 μs) and up to 60 kA (8/20 μs).
- ETITEC EM T12 PV: Total discharge current (ITotal) up to 6.25 kA (10/350 μs) and up to 65 kA (8/20 μs).
Mode of Protection: (+) - PE, (-) - PE, (+) - (-).
Installation: These arresters should be applied on the string and inverter side of the PV system. If the distance between the string and inverter is less than 10 meters, only one ETITEC arrester is needed.
Voltage Protection Level (Up): Less than 3.8 kV or 5 kV, depending on the model.
Response Time (tA): Less than 25 ns.
Operating Temperature Range (Ta): -40°C to +85°C.
Permissible Operating Humidity (RH): 5% to 95%.
Altitude (max): 4000m for ETITEC M T12 PV and 2000 m for ETITEC EM T12 PV.
Specific Models:
- ETITEC M T12 PV 1100/12,5 Y and ETITEC M T12 PV 1500/12,5 Y.
- ETITEC EM T12 PV 1100/6,25 Y and ETITEC EM T12 PV 1500/5 Y.
Dimensions and Packaging: Single unit DIN 43880 dimension 3 TE.

This series is designed to protect against indirect lightning discharges in PV systems. The circuit topology consists of two or three varistor stages, each protected by a thermal disconnection device.

Key Features:
- High discharge currents.
- High degree of protection.
- Optical indication of faulty device (green for OK, red for fault).
- Remote signaling (RC version only).
- DIN rail mounting (EN 60715).
- MOV varistor as the protective element.
- Metal snapper for easier mounting on DIN rail.
- Modular design.
- Connection up to 35mm².

Surge Ratings: Total discharge current (ITotal) up to 20 kA or 50 kA (8/20 μs).
Mode of Protection: (+) - PE, (-) - PE, (+) - (-).
Installation: Similar to the T12 series, T2 arresters are installed on both the string and inverter sides of the PV system. If the distance between the string and inverter is less than 10 m, one ETITEC device is enough.
Operating Temperature Range (Ta): -40°C to +85°C.
Permissible Operating Humidity (RH): 5% to 95%.
Altitude (max): 4000m.
Specific Models:
- ETITEC M T2 PV 250/20 Y, 600/20 Y, 1100/20 Y and 1500/20 Y.
- ETITEC EM T2 PV 1100/20 Y and 1500/15 Y.
Voltage Protection Level (Up): Less than 1 kV, 2 kV, 3.8 kV or 5 kV, depending on the model.
Response Time (tA): Less than 25 ns.
Dimensions and Packaging: Single unit DIN 43880 dimension 3 TE for ProTec T2-xxxxPV-3+0-L, and 1 TE for ProTec T2-xxxPV-L-P.
Difference between ETITEC M T2 PV and ETITEC EM T2 PV: ETITEC EM T2 PV is the economic version without a module latching mechanism, and is distinguishable from ETITEC M T2 PV by the grey color of the ETI logo.

This series of overvoltage surge protective devices has been developed to protect against direct and indirect discharges, and is intended for new generation of PV inverters with an output voltage of 800V AC (line voltage).

Key Features:
- Type 1 and Type 2 SPD.
- Uc up to 950V.
- Discharge capacity – Iimp 12,5 kA and Imax up to 50 kA.
- Pluggable design.
- Thermal protection.
- Optical indication of faulty device (green for OK, red for fault).
- Remote signaling (RC version only).
- Compliance: IEC 61643-11:2011, EN 61643-11:2012+A11:2018.
Surge Ratings: Iimp is 12.5 kA and Imax is up to 50 kA.
Specific Models: ETITEC M T12 950/12,5 4Y and ETITEC M T12 950/12,5 4Y RC.
Dimensions and Packaging: 72 mm width and max. 86 mm height.

This series of overvoltage surge protective devices has been developed to protect against indirect discharges and is intended for new generation PV inverters with an output voltage of 800V AC (line voltage).

Key Features:
- Type 2 SPD.
- Uc up to 950V.
- Discharge capacity - Imax up to 40 kA.
- Pluggable design.
- Thermal protection.
- Optical indication of faulty device (green for OK, red for fault).
- Remote signaling (RC version only).
- Compliance: IEC 61643-11:2011, EN 61643-11:2012+A11:2018.
Surge Ratings: Imax up to 40 kA.
Specific Models: ETITEC M T2 950/20 4Y and ETITEC M T2 950/20 4Y RC.
Dimensions and Packaging: 72 mm width and max. 86 mm height.

This series protects new generation PV network inverters with an output voltage of 800V (line voltage). The circuit topology consists of three or four parallel-connected varistor modules, with each pole equipped with a visual indication.

Key Features:
- Type 2 AC Surge Protector.
- Nominal Discharge Current (In): 20 kA.
- Maximum Discharge Current (Imax): 40 kA.
- Pluggable module for each phase.
- Remote signaling option.
- Compliance: IEC 61643-11 and EN 61643-11, UL1449 ed.4.
Surge Ratings: Nominal discharge current (In) is 20 kA, and maximum discharge current (Imax) is 40 kA.
Specific Models: ETITEC V T2 690/20 3+0 RC and ETITEC V T2 690/20 4+0 RC.
Dimensions and Packaging: 72 mm width and 90 mm height.

"

Application

ETITEC M T12 PV: Suitable for green field installations.

ETITEC EM T12 PV: Suitable for roof installations.

ETITEC (E)M T2 PV arresters are typically used on both the string and inverter sides of the PV system.

ETITEC (E)M T2 PV are for buildings without external lightning protection.

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Descărcătoare pentru PV

Introduction

Caracteristici

Standards

Operating Temperature

Permissible Operating Humidity

ETI product series

Application

Site produse

Formular de întrebare

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Descărcătoare pentru PV

Introduction

Caracteristici

Standards

Operating Temperature

Permissible Operating Humidity

ETI product series

1. ETITEC (E)M T12 PV Series

2. ETITEC (E)M T2 PV Series

3. ETITEC M T12 950/12,5 4Y Series

4. ETITEC M T2 950/20 4Y Series

5. ETITEC V T2 690/20 Series

Application

Site produse

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