SKU: Eaton-35250

035250 STI0,315(400/24)

Control transformer, 0.315 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V
Control transformer, Product range: Single-phase control transformers ST..., Basic function: Single-phase control, isolating and safety transformers STI, STZ, Rated input voltage: 400± 5 % V, Rated output voltage: 24 V, Rated power: 0.315 kVA, Short-time rating: 0.75 kVA, Degree of Protection: IP00, Standards Built and tested to: IEC/EN 61558-2-2/2-4/2-6, VDE 0570 Part 2-2, VDE 0570 Part 2‐6 (safety transformers), VDE 0570 Part 2-4 (isolating transformer), Suitable for use to: IEC/EN 60204-1, ÖVE-EN 13, VDE 0113, VDE 0100 Part 410

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Control transformer, 0.315 kVA, Rated input voltage 400± 5 % V, Rated output voltage 24 V
Control transformer, Product range: Single-phase control transformers ST..., Basic function: Single-phase control, isolating and safety transformers STI, STZ, Rated input voltage: 400± 5 % V, Rated output voltage: 24 V, Rated power: 0.315 kVA, Short-time rating: 0.75 kVA, Degree of Protection: IP00, Standards Built and tested to: IEC/EN 61558-2-2/2-4/2-6, VDE 0570 Part 2-2, VDE 0570 Part 2‐6 (safety transformers), VDE 0570 Part 2-4 (isolating transformer), Suitable for use to: IEC/EN 60204-1, ÖVE-EN 13, VDE 0113, VDE 0100 Part 410
Product range Single-phase control transformers ST...
Basic function Single-phase control, isolating and safety transformers STI, STZ
Rated input voltage 400± 5 % V
Rated output voltage 24 V
Rated power 0.315 kVA
Short-time rating 0.75 kVA
Terminal diagram / contact assignment 3900SPC-1
Cu factor 1,10 kg
Standards
>Built and tested to
Standards
>Suitable for use to
IEC/EN 61558-2-2/2-4/2-6
VDE 0570 Part 2-2
VDE 0570 Part 2‐6 (safety transformers)
VDE 0570 Part 2-4 (isolating transformer)
Ambient temperature IEC/EN 60204-1, ÖVE-EN 13
VDE 0113, VDE 0100 Part 410
Terminations -25 - 40
Connection lugs
Insulation class ● (< 115 A)
Rated frequency ● (> 115 A)
Primary tapping B
Degree of Protection 50 - 60 Hz
Separate windings ± 5 %
Fully vacuum-impregnated IP00
Reinforced insulation
Rated duty factor
Note
Total weight 100 % DF
No-load losses
Short-circuit losses The following applies for the no-load loss, short-circuit loss (copper losses), short-circuit voltage and efficiency values: all details relate to a temperature of 20 °C
Shortcircuit voltage 4.3 kg
Efficiency 10 W
Rated operational current for specified heat dissipation [In] 18 W
Heat dissipation per pole, current-dependent [Pvid] 5.5 %
Equipment heat dissipation, current-dependent [Pvid] 0.92
Static heat dissipation, non-current-dependent [Pvs]
Heat dissipation capacity [Pdiss] 0 A
Operating ambient temperature min. 0 W
Operating ambient temperature max. 0 W
10.2 Strength of materials and parts
>10.2.2 Corrosion resistance
28 W
10.2 Strength of materials and parts
>10.2.3.1 Verification of thermal stability of enclosures
0 W
10.2 Strength of materials and parts
>10.2.3.2 Verification of resistance of insulating materials to normal heat
-25 °C
10.2 Strength of materials and parts
>10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects
+40 °C
10.2 Strength of materials and parts
>10.2.4 Resistance to ultra-violet (UV) radiation
10.2 Strength of materials and parts
>10.2.5 Lifting
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.6 Mechanical impact
Meets the product standard´s requirements.
10.2 Strength of materials and parts
>10.2.7 Inscriptions
Meets the product standard´s requirements.
10.3 Degree of protection of ASSEMBLIES Meets the product standard´s requirements.
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 Meets the product standard´s requirements.
10.8 Connections for external conductors Does not apply, since the entire switchgear needs to be evaluated.
10.9 Insulation properties
>10.9.2 Power-frequency electric strength
Meets the product standard´s requirements.
10.9 Insulation properties
>10.9.3 Impulse withstand voltage
Does not apply, since the entire switchgear needs to be evaluated.
10.9 Insulation properties
>10.9.4 Testing of enclosures made of insulating material
Does not apply, since the entire switchgear needs to be evaluated.
10.10 Temperature rise Is the panel builder´s responsibility.
10.11 Short-circuit rating Is the panel builder´s responsibility.
10.12 Electromagnetic compatibility Is the panel builder´s responsibility.
10.13 Mechanical function Is the panel builder´s responsibility.
Built as safety transformer Is the panel builder´s responsibility.
Built as isolating transformer The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
Built as energy saving transformer Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Primary voltage 1 Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Primary voltage 2 The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Primary voltage 3
Primary voltage 4
Primary voltage 5 Yes
Primary voltage 6 Yes
Primary voltage 7 No
Primary voltage 8 400 - 400 V
Primary voltage 9 0 - 0 V
Primary voltage 10 0 - 0 V
Secondary voltage 1 0 - 0 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 24 - 24 V
Secondary voltage 9 0 - 0 V
Secondary voltage 10 0 - 0 V
Rated apparent power 0 - 0 V
Type of insulation material acc. IEC 85 0 - 0 V
Short-circuit-proof 0 - 0 V
Relative short circuit voltage 0 - 0 V
Width 0 - 0 V
Height 0 - 0 V
Depth 0 - 0 V
Degree of protection (IP) 315 VA
Ring core B
Suitable for mounting on PCB No
Modular version 5.5 %
Conductor material 121 mm
Product Standards 131 mm
UL File No. 88 mm
UL Category Control No. IP00
CSA File No. No
CSA Class No. No
North America Certification No
Specially designed for North America Copper
Suitable for UL 506; UL5085-1; UL 5085-2; CSA-C22.2 No. 66; CSA-C22.2 No. 66.1-06; CSA-C22.2 No. 66.2-06; IEC/EN 61558-2-2; CE marking
Max. Voltage Rating E167225
Degree of Protection XPTQ2, XPTQ8