1. Static Transfer Switch
Model B4
19-inch Rack
Static Transfer Switch

2. Why choose a model B4 static transfer switch?
Increases power availability.
Integrated maintenance bypass.
True solid state.
Input isolators.
Rugged, reliable design.
Fast, Intelligent transfers.
One touch transfer.
Hot socket field replaceable power module.
Large overload and fault capacity .
Built In LAN web server and HLI.
Available in both single and three phase.
Available with either LCD or decal interface.
Supported current up to 160A.

3. Features Fast, reliable switching
Transparent transfer – less than ¼ cycle.
Solid state devices are far superior to their electro-mechanical equivalents.
Triple redundant internal power sources.

4. Features Real time monitoring Clear LCD mimic status.
Touch screen, LCD shows input/output voltage and current.
Visible and audible alarm .
Ethernet web server.

5. Liquid Crystal Display
LCD Screen functions
Status.
Bypass .
Alarms.
Event list (200 events).
List of Variables.
Settings.
Ethernet options.

6. ` Alternative Display Decal interface Simple mimic status.
Simple Load indicator LEDS.
Preference LEDS.
Visual and audible alarm.

7. Features Multiple communications options
From Ethernet (IEEE BaseT)
SNMP
MODBUS
HTTP - Web server
Alerts.
5 relay outputs.
Pin 10 to 12 General Alarm
Pin 6 to 8 RLY-O/P Not in Synch
Pin 2 to 4 RLY-O/P Overloaded
Pin 1 to 3 RLY-O/P ON A
Pin 5 to 14 RLY-O/P ON B
2 control inputs.
Pin 13 to Pin 7 Remote Transfer to S1
Pin 11 to Pin 7 Remote Transfer to S2

8. LAN interface Ethernet functions Status. Event list (200 events).
List of Variables.
Control panel.
Settings panel.

9. Features Programmable logic control Fast internal communication.
All variables are easily set in software.
Constantly monitors for alarm conditions.
Intelligent transfers.

10. Features Flexible configurations M6 cable lug.
Up to 35/50 mm2 or 70mm2 using narrow palm lugs.

11. Features Flexible configurations
Hot socket field replaceable power module.

12. Weight and Dimensions
Width: 483mm, 19” Height: 177mm, 7” Depth: 650mm, 25.6” Weight (typical): 35Kg, 77 lbs

13. 360A for 30 sec. 500A for 1 sec. 10,000A for 20 ms.
Specification
Type
1-pole / 1-phase
2-pole / 1-phase
3-pole / 3-phase
4-pole / 3-phase
Current Rating
80A
100A
125A
160A
Nominal Voltage
110V to 415V +- 20%
Fault Current
10kA for 20ms, 200A Fused
Frequency
50 / 60Hz (auto detection)
Power Factor
No Limit
Crest Factor
3.5:1
Overload Capacity
360A for 30 sec. 500A for 1 sec. 10,000A for 20 ms.
Specification