Home > iSURFACE: iSTS for Switchboard & Wall mount
A unique range of Static Transfer Switches for critical power distributed networks.
For Automotive, Transport, Datacentre cooling, Hospital, Oil & Gas, Manufacturing, Mining, …
- Single phase up to 250A, 3-phase up to 160A
- IP54, Redundant fans
- Maintenance bypass & Incoming source isolators
- HTTP, SNMP, MODBUS TCP, eMail and NTP
- Single Phase up to 125A, 3-phase up to 63A
- IP54, Natural cooling
- Maintenance bypass & Incoming source isolators
- HTTP, SNMP, MODBUS TCP, eMail and NTP
- Single Phase up to 32A
- IP54, Natural cooling
- Maintenance bypass & Incoming source isolators
- HTTP, SNMP, MODBUS TCP, eMail and NTP
- 3-phase up to 250A
- IP42, Redundant fans
- Optional Maintenance bypass & isolators
- HTTP, SNMP, MODBUS TCP, eMail and NTP
- Single Phase, Up to 32A
- Surface mount & DIN rail
AVAILABLE Q1-2026
Sales & Technical Queries
sales@staticpower.com.au +61 3 9437 0494
Static Transfer Switch
Home > iSURFACE: iSTS for Switchboards and Wall mount
A unique range of Static Transfer Switches for critical power distributed networks.
For Automotive, Transport, Datacentre cooling, Hospital, Oil & Gas, Manufacturing, Mining, …
- 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 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 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 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
- iSTS S1
- Key Features
- Documentation
Sales & Technical Queries
sales@staticpower.com.au
+61 3 9437 0494
Static Transfer Switch