Home > iSURFACE: iSTS for Switchboard & Wall mount
Current rating
Up to 32A
Single phase: Up to 125A
3-phase: Up to 63A
Single phase: Up to 250A
3-phase: Up to 160A
From 32A to 250A
Configuration
Single phase
Single and 3-phase
Input Breakers
Yes
No
Maintenance Bypass
Yes
No
Current rating
Up to 100A
Configuration
Single & 3 phase
input Breakers
Yes
Maintenance Bypass
Yes
With a MTBF of 800,000 hours, Static Power’s iSURFACE Static Transfer Switch are dedicated to applications requiring a high level of reliability.
iSURFACE avoids critical equipment power supply disruptions by transparently changing to a secondary source in case of failure of the preferred.
All our switchboard and wall mount iSURFACE are adaptable to particular applications or requirements.

Static Transfer Switch - iSTS
Home > iSURFACE: iSTS for Switchboards and Wall mount


With a MTBF of 800,000 hours, Static Power’s iSURFACE for Switchboards and wall mount are dedicated to applications requiring a high level of reliability.
iSURFACE 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 250A
- 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 switchboard and wall mount iSURFACE are adaptable to particular applications or requirements.
- iSTS F1
- Key Features
- Documentation
- Up to 32A, Single phase
- Natural cooling, no fan
- IP54, 55°C ambient
- Compact
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- RCD site compatibility
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- Back feed protection contactors
- Manual and automatic transfers selection
- Preferred source selection
- Visual and sound alarms
- Bi-colour LED mimic
- Maintenance Bypass pad-lockable
- Voltage free general alarm contact
- iSTS F3
- Key Features
- Documentation
- Up to 63A/125A
- Natural cooling, no fans
- IP54, 55°C ambient
- Compact
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- RCD site compatibility
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- Manual and automatic transfers selection
- Preferred source selection
- Visual and sound alarms
- Bi-colour LED mimic and load indicator
- Maintenance Bypass pad-lockable
- 5 off Voltage free alarm contact
- Remote transfer input
- iSTS F4
- Key Features
- Documentation
- Up to 250A, Single phase and 125A 3-Phases
- Natural cooling, no fans
- IP54, 45°C ambient
- Compact
- Built-in transient voltage protection
- UPS Eco-Mode compatible
- RCD site compatibility
- Safe asynchronous source transfers
- Very high MTBF (>800,000 hours)
- Manual and automatic transfers selection
- Preferred source selection
- Visual and sound alarms
- Bi-colour LED mimic and load indicator
- Maintenance Bypass pad-lockable
- 5 off Voltage free alarm contact
- Remote transfer input
- iSTS S3
- Key Features
- Documentation
- From 32A up to 250A, Single phase and 3 Phases
- For wall mount or switchboard integration
- Very high MTBF (>800,000 hours)
- IP54 – 45/55°C ambient
- HTTP, SNMP, MODBUS TCP, Email & NTP
- Manual, Automatic & Remote transfers selection
- Embedded controls for input’s breaker tripping and
Maintenance bypass - Built-in transient voltage protection
- Top or Bottom Entry