STE 500/23/24

Control- and safety isolating transformer

Version STE 500/23/24
Rated input voltage 230 Vac Rated output voltage 24 Vac Rated power VDE (DB cos phi=1) 500 VA
Display options
Version Rated input voltage Rated output voltage Rated power VDE (DB cos phi=1)
STE 63/23/24 230 Vac 24 Vac 63 VA
STE 63/4/24 400 Vac 24 Vac 63 VA
STE 63/4/23 400 Vac 230 Vac 63 VA
STE 100/23/24 230 Vac 24 Vac 100 VA
STE 100/4/23 400 Vac 230 Vac 100 VA
STE 160/23/24 230 Vac 24 Vac 160 VA
STE 160/4/23 400 Vac 230 Vac 160 VA
STE 250/23/24 230 Vac 24 Vac 250 VA
STE 250/4/24 400 Vac 24 Vac 250 VA
STE 250/4/23 400 Vac 230 Vac 250 VA
STE 320/23/24 230 Vac 24 Vac 320 VA
STE 320/4/23 400 Vac 230 Vac 320 VA
STE 400/23/24 230 Vac 24 Vac 400 VA
STE 400/4/23 400 Vac 230 Vac 400 VA
STE 500/23/24 230 Vac 24 Vac 500 VA
STE 500/4/24 400 Vac 24 Vac 500 VA
STE 500/4/23 400 Vac 230 Vac 500 VA
STE 630/4/23 400 Vac 230 Vac 630 VA
STE 800/4/23 400 Vac 230 Vac 800 VA
STE 1000/4/23 400 Vac 230 Vac 1,000 VA
STE 1600/4/23 400 Vac 230 Vac 1,600 VA
STE 2000/4/23 400 Vac 230 Vac 2.000 VA
STE 2500/4/23 400 Vac 230 Vac 2.500 VA
Image of %s BLOCK Item: STE 500/23/24

Technical data for STE 500/23/24

Input
Rated input voltage 230 Vac
Tappings Input ±5 %
Rated frequency 50 - 60 Hz
Output
Rated output voltage 24 Vac
Rated power VDE (DB cos phi=1) 500 VA
Rated power VDE (KB cos phi=0.5) 2.000 VA
No-load voltage (app. x factor) 1.05
Efficiency 93.0 %
Approvals
Approvals cURus
Environment
Ambient temperature max. 40 °C
Type of cooling self-cooling
Safety and protection
Type Open type
Insulation class VDE=B, UL=class 130
Protection index IP 00
Safety class (prepared) I
Short circuit strength non-short-circuit proof
PRI Fusing recommendation by circuit breaker with tripping characteristic type 20 x Irated related to set)
Setting range 1.60 - 2.50 A
Setting value 2.40 A
Terminal and mounting
Fixing method Base plate
Fixing screws M5
Terminals Input 4 mm² spring terminal
Terminals Output 4 mm² spring terminal
Terminals PE Tab connector, 6.3 x 0.8 mm
Measures and weights
Width 120 mm
Height 121 mm
Depth 124 mm
Weight 6.50 kg

Info on STE series

General Data
  • Insulation class B
  • Degree of protection IP 00
  • Efficiency up to 95 %
  • Maximum ambient temperature 40 °C
  • Rated power 63 - 2,500 VA
  • Rated output voltage 24 - 230 Vac
  • Rated input voltage 230 - 400 Vac
Benefits
  • Up to 250 VA with combination footplate for bolted and rail mounting
  • Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation
  • Very good switch-on behaviour thanks to reduced starting currents
  • High power density due to a compact construction design
  • Primary side ±5 % tappings for voltage adjustment
  • Simple mounting thanks to robust metal footplate with oval slots
  • Quick to cable up thanks to the use of push-in terminals
  • Contact protected screw connection terminals complying with UVV BGV A3

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