Automatic transfer switch (ATS) | 1P+N | 10–80A | 230V | with current and voltage indication | IP20 | GRL DNH41

Technical Specifications

Type: Automatic Transfer Switch (ATS)
Model: DNH41
Phases: 1P+N
Rated voltage: 230 V AC
Operating current range: 10–80 A (adjustable)
Operating voltage: AC 230 V
Operating voltage range: 0.75–1.15 Un
Frequency: 50 / 60 Hz
Power consumption: 4.5 VA (AC 230 V)
Insulation voltage: 500 V
Impulse withstand voltage: 1.5 kV
Dielectric strength: 2 kV
Utilization category: AC-21A (IEC 60947-3); AC-31B (IEC 60947-6)
Ambient temperature: -5…+55 °C
Pollution degree: 2
Protection class: IP20
Mounting: DIN rail (35 × 7.5 mm)
Cable connection: 16–25 mm²
Generator: 1 connected generator

Functions

Automatic power transfer – switches to generator during mains failure and returns to grid when restored
Adjustable current (10–80 A) – suitable for different loads
Voltage and current display – clear real-time monitoring
Overload and fault alarm – warns about malfunctions
Adjustable transfer delay – stable operation without false switching
LED status indication – shows active power source
DIN rail mounting – quick installation in distribution boards

Applications

Residential user: Backup power supply for a house or cottage, automatic generator activation during power outages, clear display and LED indicators for easy status understanding
Electrician: Fast DIN rail installation, clear wiring terminals (16–25 mm²), reliable solution for residential and small commercial systems
Engineer: Compliance with IEC 60947 standards, adjustable transfer times, suitable for automation and backup power projects

Advantages

Fully automatic operation without human intervention
Adjustable current up to 80 A
Integrated display (voltage + current)
Clear LED indication
DIN rail mounting
Suitable for homes and small facilities

Disadvantages

Single-phase only (1P+N)
Supports only one generator
IP20 – for installation inside distribution boards, not for outdoor use