Modular backup Automatic Power Switch for Generators | for Uninterruptible Power Supply | 4P | 63A | 230VAC

Technical Specifications:

Main/Backup source: A (main), B (backup)

Rated operational current (Ie): 63A

Rated insulation voltage (Ui): 690V

Rated operational voltage (Ue): AC230V

Frequency: 50/60Hz

Number of poles: 4P

Rated impulse withstand voltage (Uimp): 8kV

Short-time withstand current (Iq): 50kA

Short-circuit protection device: RT16-00-63A fuse

Control circuit (auxiliary): AC230V 50Hz, Ie=5A

Switching time: <50ms (all modes)

Mechanical durability: ≥8000 cycles

Electrical durability: ≥1500 cycles

Utilization category: AC-31B

Mounting: DIN rail

Control modes: Automatic / Manual (with mode selector)

Functions:

Automatic switching between two power sources

Priority given to main source (A) when both are active

Manual control option with safe switching after power is off

Fast switching time (<50 ms)

Undervoltage protection (coil may fail below 185V)

Easy DIN rail mounting in distribution boards

Mode selection: Automatic / Manual

Applications:

Household electrical panels

Small commercial buildings

Server rooms, equipment sensitive to power outages

Solar power systems, generators with backup power

Cooling, heating, ventilation systems

Pros:

Fast switching (<50 ms) ensures uninterrupted power

Compact design – fits limited spaces

Compatible with various automation control devices (RS inputs)

Backup source is activated only when needed – saves energy

Reliable mechanical and electrical operation (≥8000 cycles)

Cons:

Cannot be used below 185V – risk of coil damage

Manual switching only when power is off – otherwise may damage components

Not suitable for frequent switching (PC class – for infrequent switching)