General specifications
Product name
Eaton Moeller® series STI Control transformer
Part no.
STI0,4(230/24)
EAN
4015080363934
Product Length/Depth
100 millimetre
Product height
119 millimetre
Product width
121 millimetre
Product weight
5.054 kilogram
Certifications
CSA-C22.2 No. 66
UL5085-1
VDE 0570 Part 2-4 (isolating transformer)
UL 5085-2
UL File No.: E167225
UL 506
VDE 0113, VDE 0100 Part 410
UL Category Control No.: XPTQ2, XPTQ8
VDE 0570 Part 2-2
IEC/EN 60204-1, ÖVE-EN 13
VDE 0570 Part 2‐6 (safety transformers)
UL Recognized
Certified by UL for use in Canada
CE
IEC/EN 61558-2-2
CSA-C22.2 No. 66.2-06
CSA-C22.2 No. 66.1-06
IEC/EN 61558-2-2/2-4/2-6
UL report applies to both US and Canada
Product Tradename
STI
Product Type
Control transformer
Product Sub Type
None
Catalog Notes
Electrical characteristics: all details for no-load loss, short-circuit loss (copper losses), short-circuit voltage and efficiency values relate to a temperature of 20 °C
Features & Functions
Features
Reinforced insulation
Separate windings
Fully Vacuum-impregnated
General information
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
40 °C
Connection lug
Yes for > 115 A
Connection type
Terminations, < 115 A
Degree of protection
IP00
Duty factor
100 %
Insulation class
B
Primary tapping
± 5 %
Product category
Single-phase control transformers ST
Suitable for
Branch circuits, (UL/CSA)
Type
Single-phase control, isolating and safety transformer
Electrical rating
Efficiency
92 %
No-load losses
17 W
Rated frequency - min
50 Hz
Rated frequency - max
60 Hz
Rated power
0.4 V·A
Relative short-circuit voltage
4.4 %
Short-circuit losses
18 W
Short-time rating
1.1 kV·A
Voltage rating - max
600 V
Design verification
Equipment heat dissipation, current-dependent Pvid
0 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
0 W
Rated operational current for specified heat dissipation (In)
0 A
Static heat dissipation, non-current-dependent Pvs
35 W
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 Inscriptions
Meets the product standard's requirements.
10.3 Degree of protection of assemblies
Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances
Meets the product standard's requirements.
10.5 Protection against electric shock
Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.
10.10 Temperature rise
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.

Technical data ETIM 9.0

Low-voltage industrial components (EG000017) / One-phase control transformer (EC002486)
Electric engineering, automation, process control engineering / Transformer, converter, coil / Control transformer / One-phase control transformer (ecl@ss13-27-03-13-02 [AAB620020])
Built as safety transformer
Yes
Built as isolating transformer
Yes
Built as energy saving transformer
No
Primary voltage 1
230 - 230 V
Primary voltage 2
0 - 0 V
Primary voltage 3
0 - 0 V
Primary voltage 4
0 - 0 V
Primary voltage 5
0 - 0 V
Primary voltage 6
0 - 0 V
Primary voltage 7
0 - 0 V
Primary voltage 8
0 - 0 V
Primary voltage 9
0 - 0 V
Primary voltage 10
0 - 0 V
Secondary voltage 1
24 - 24 V
Secondary voltage 2
0 - 0 V
Secondary voltage 3
0 - 0 V
Secondary voltage 4
0 - 0 V
Secondary voltage 5
0 - 0 V
Secondary voltage 6
0 - 0 V
Secondary voltage 7
0 - 0 V
Secondary voltage 8
0 - 0 V
Secondary voltage 9
0 - 0 V
Secondary voltage 10
0 - 0 V
Rated apparent power
400 VA
Power
W
Power consumption in standby mode
15 W
Type of insulation material according to IEC 85
B
Short-circuit-proof
No
Relative short circuit voltage
4.4 %
Width
121 mm
Height
119 mm
Depth
100 mm
Degree of protection (IP)
IP00
Ring core
No
Suitable for mounting on PCB
No
Modular version
No
Conductor material
Copper