PC-type Automatic Transfer Switch (ATS) | 4P | 63 A | 220–380 V | O-I-II positions | JOTTA | JTH2-100/4P

Technical specifications

Manufacturer: JOTTA
Model: JTH2-100/4P
Type: PC-type automatic transfer switch
Poles: 4P (4 poles)
Rated current: 63 A
Rated voltage: 220 V / 380 V
Frequency: 50 / 60 Hz
Switching positions: 3 positions – O-I-II
I – main power supply
O – off
II – backup power supply
Function: Fire Control (suitable for fire protection systems)
Standard: IEC 60947-3
Certificates: CE

Functions

Automatic power source transfer – when the main supply fails, the load is switched to the backup source
PC insulated type – ensures that both power sources are never connected simultaneously
3-position mechanism (O-I-II) – allows manual operation and safe disconnection
Four poles (4P) – all phases and neutral are switched
High operational reliability class – suitable for long-term operation

Applications

Residential user: For homes with a generator or a second power input; protects refrigerators, heating boilers, pumps; automatic operation without manual intervention
Electrician: Quick installation in electrical panels, clear logic and reliable mechanical switching; compliant with IEC standards; suitable for certified solutions
Engineer: Suitable for ATS solutions in residential and commercial buildings; can be used in fire protection and critical systems

Advantages

PC-type insulated switching – maximum safety
4P – neutral conductor is also switched
Automatic and manual mode (O-I-II)
CE certification, IEC 60947-3 compliance
Suitable for generators and dual power inputs

Disadvantages

No digital control or monitoring
Requires proper design and installation
Designed for fixed installation