Home > iMAX: Fuseless iSTS
Standard current rating¹
Up to 160A
Up to 250A
Up to 630A
Up to 1600A
Standard fault current²
20kA for 1 cycle
28kA for 1 cycle
36kA for 1 cycle
Input Breakers
Optional
Maintenance Bypass
Optional
¹ Current up to 4000A on request
² Fault current up to 65kA on request
With a MTBF of 800,000 hours, Static Power’s iMAX Static Transfer Switch are dedicated to applications requiring a high level of reliability.
iMAX avoids critical equipment power supply disruptions by transparently changing to a secondary source in case of failure of the preferred.
All our fuseless Static Transfer Switch iMAX are adaptable to particular applications or requirements.

Static Transfer Switch - iSTS
Home > iMAX: Fuseless iSTS


With a MTBF of 800,000 hours, Static Power’s iMAX Static Transfer Switch are dedicated to applications requiring a high level of reliability.
iMAX avoids critical equipment power supply disruptions by transparently changing to a secondary source in case of failure of the preferred.
- Single and 3-Phases, up to 4000A
- Fault Current up to 65kA
- True solid state, Break-Before-Make transfer
- Transfer time: <1ms to ¼ cycle
- MTBF > 800,000h
- Maintenance bypass
- Incoming source isolators
- HTTP, SNMP, MODBUS TCP, eMail and NTP
All our fuseless Static Transfer Switch iMAX are adaptable to particular applications or requirements.
- iSTS C
- Key Features
- Documentation
- Up to 250A, Single phase, 160A 3-Phases
- Fuseless
- Space saving wall-mount design
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- LED mimic decal with graphic LCD interface
- One touch transfers
- Visual and sound alarm
- Integrated web server
- Remote operation
- High-level interface – MODBUS, SNMP
- Email alerts
- Clock synchronisation with NTP
- Maintenance bypass with mechanically interlocked 5 x circuit breakers
- Redundant fan cooling
- 5 x voltage free contacts & remote inputs
- Easy access for maintenance
- iSTS H
- Key Features
- Documentation
- Up to 250A
- Fuseless design
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- LED mimic decal with graphic LCD interface
- One touch transfers
- Visual and sound alarm
- Integrated web server
- Remote operation
- High-level interface – MODBUS, SNMP
- Email alerts
- Clock synchronisation with NTP
- Mechanically interlocked circuit breakers Maintenance bypass
- Redundant fan cooling
- High fault current capacity
- 5 x voltage free contacts & remote inputs
- Easy access for maintenance
- iSTS K
- Key Features
- Documentation
- Up to 630A
- Fuseless design
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- LED mimic decal with graphic LCD interface
- One touch transfers
- Visual and sound alarm
- Integrated web server
- Remote operation
- High-level interface – MODBUS, SNMP
- Email alerts
- Clock synchronisation with NTP
- Mechanically interlocked circuit breakers Maintenance bypass
- Redundant fan cooling
- High fault current capacity
- 5 x voltage free contacts & remote inputs
- Easy front access for maintenance
- iSTS G
- Key Features
- Documentation
- Up to 4000A
- Fuseless design
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- Fully featured colour 7″ touch screen display
- One touch transfers
- Visual and sound alarm
- Integrated web server
- Remote operation
- High-level interface – MODBUS, SNMP
- Email alerts
- Clock synchronisation with NTP
- Mechanically interlocked circuit breakers Maintenance bypass
- Redundant fan cooling
- High fault current capacity
- 5 x voltage free contacts & remote inputs
- Easy front access for maintenance