Dossena DER3BDUAL - User Manual

DER3BDUAL
MU 1220 R
EV
.8
Codice Ordinazione/ Order Code:
9DER3BDUAL/2I – 9DER3BDUAL/6D- 9DER3BDUAL/2IR- 9DER3BDUAL/6DR
CARATTERISTICHE TECNICHE/ TECHNICAL CHARACTERISTICS
Alimentazione ausiliaria/ Auxiliary power supply
Us Tensione di alimentazione/ Auxiliary power supply 48 ÷ 400 Vca/ac -15/+10% (@50/60Hz ) Uimp 4kV
Consumo max/ Max consumption ≤ 4VA
Categoria sovratensione/ Overvoltage category
Grado inquinamento/ Pollution degree
CAT II
2
Circuito controllato (in abbinamento a toroidi dossena) / Monitored circuit (by using Dossena toroids)
Tipo di MRCD/ Type of MRCD B Norme di riferimento/ Standards IEC 60947-2:2019
Un Tensione nominale/ rated voltage <1000Vca/ac (@50/60Hz) - <1500Vcc/dc Uimp 8kV
Sistema di distribuzione/ Distribution system TT, TN Icw 40kA (1s)
Tipo di Misura/ Measurement type TRMS Tipo di regolazione/ Adjustment
Continua/ continuously
variable
Campo di regolazione IΔn/ Adjustment range IΔn 0,05 ÷ 7A Campo di regolazione Δt/ Adjustment range Δt Inst./ 0,06 ÷ 5sec.
In Massima corrente nominale/ Maximum rated current
D35 D60 D80 D110 D160 D210
Categoria sovratensione/ Overvoltage category
Grado inquinamento/ Pollution degree
CAT III
2
480A 720A 1020A 1560A 1860A 2160A
Collegamenti toroide-relè/ Connections toroid-MRCD Cavi schermati twistati/ Shielded twisted cables
Involucro/ Housing
Classe di isolamento/ Insulation class II sul frontale/ II on the front Tenuta al fuoco/ Fire resistance
Involucro in classe: V0
Housing class: V0
Grado di protezione/ Protection degree
IP40 frontale/ front panel
IP20 morsetti/ terminals
Altre caratteristiche/ Other features
Contatti uscita/ Output contacts 2 NA-C-NC 250Vca/ac 5A (P.F.= 1)/ 30Vcc/dc 3A Sezione max morsetti/ Max. terminals section 2,5mm
2
Tipo di Interfaccia seriale/ Serial interface RS485 Modbus RTU Spellatura conduttori/ Cable strip 7mm
Terminazione linea seriale/ Serial line termination 120Ω Coppia di serraggio/ Tightening torque 0,6Nm
Isolamento galvanico seriale/ Serial line insulation <1kV @50Hz Temp.di funzionamento/ Operation temperature -10 ÷ +55°C
Massima altitudine/ Maximum altitude 2000m Temp. di stoccaggio/ Storage temperature -20 ÷ +80°C

Summary

Technical Characteristics and Specifications

Auxiliary Power Supply and Consumption

Details on auxiliary voltage, operating voltage, and maximum power consumption.

MRCD Type and Measurement System

Specifies the MRCD type, nominal voltage, distribution system, and measurement type.

Adjustment Ranges and Rated Current

Covers residual current adjustment range and maximum rated current.

Toroid Connections and Insulation Class

Information on toroid-MRCD connections, insulation class, and protection degree.

Output Contacts and Serial Interface

Details on output contacts, serial interface type, termination, and insulation.

Additional Features and Environmental Data

Includes fire resistance, operating temperature, and storage temperature.

Normal Vigilance Display and Key Functions

Display Information and Interpretation

Explains the green display's information regarding residual current (AC/DC) and thresholds.

Keypad Functions for Display Control

Describes the functions of the buttons for display navigation and contrast adjustment.

Protection System Test Procedure

Details the procedure for testing the protection system and resetting the device.

Setup Menu and Parameter Configuration

Entering and Navigating the Setup Menu

Instructions on how to access and navigate the setup menu for parameter modification.

Toroid Calibration Procedure

Step-by-step guide for performing the essential toroid calibration process.

Parameter Definitions and Ranges

Explains key parameters like I∆n, AT, relay types, reset modes, and network settings.

Alarm Messages and Fault Indicators

Alarm Message Descriptions

Details alarm messages (ALA, BA, TRIP, TORO, TEMP) and their associated colors and events.

Causes of Alarm Conditions

Explains the potential causes for each alarm message, such as threshold exceedance or toroid issues.

Application Examples and Fault Simulation

General Connection Diagram

Illustrates the basic connection scheme for the DER3BDUAL unit.

Application Examples with Inverters and Soft Start

Shows typical installation scenarios with inverters, photovoltaic panels, and soft start loads.

Fault Simulation and Operating Characteristic

Demonstrates fault simulation and the device's operating characteristic curve.

Dossena DER3BDUAL Specifications

General

Output Current	10 A
Ambient Temperature	-40°C to +70°C
Output Voltage	250V AC/30V DC
Contact Form	DPDT
Contact Rating	10A at 250VAC / 10A at 30VDC