PS Series - Portable Site Safety Transformers

FAQ for PS Series - Portable Site Safety Transformers

Robust range of portable safety transformers designed for site. Commonly used with construction and industrial power tools. Range from 1kVA to 5kVA intermittent rated for stepping down 230V (Singapore mains voltage) to safety 110V supply. All supply is centre tapped to earth.

Key Features

  • Designed for heavy duty site use
  • Manufacturing standard comply to IEC 61558
  • IP44 glass reinforced polyester (GRP) case and IP54 rated IEC 60309 sockets for outdoor use
  • Centre tapped earth 110V supply (55V-E-55V)
  • Input thermal device  for overload protection
  • Highly portable with handle provided for convenience

 

Ordering Information

 

 portable safety transformers top view

 

Model

Cover Type

Intermittent Rating

Continuous Rating

Input

Output

Input
Connector
(IEC 60309 2P+E)

Output
Connector
(IEC 60309 2P+E)

Protection Degree

PS10

C1

1kVA

500VA

230V

110V

2 metre 16A

16A x1

IP44

PS15

C2

1.5kVA

750VA

PS20

C2

2kVA

1kVA

PS30

C3

3.3kVA

1.8kVA

 16A x2

PS50

C4

5kVA

2.8kVA

 16A x2, 32A x1

Intermittent rating for operating load is at 25% duty cycle. For example, 5 minutes on / 15 minutes off. The transformer may be used in continuous mode at 50% of the rating.

FAQ link what is intermittent rating?