914776
Model Kodu: STZ3,0(/)

Eaton Moeller® series STZ Control transformer, 3 kVA, Rated input voltage 50 – 950 ± 5 % V, Rated output voltage 12 – 1000 V

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General specifications

Product Name	Eaton Moeller® series STZ Control transformer
Catalog Number	914776
Product Length/Depth	172 mm
Product Height	255 mm
Product Width	230 mm
Product Weight	26 kg
Certifications	UL 5085-2 UL report applies to both US and Canada UL5085-1 Certified by UL for use in Canada CSA-C22.2 No. 66 UL Category Control No.: XPTQ2, XPTQ8 VDE 0570 Part 2‐6 (safety transformers) IEC/EN 61558-2-2 IEC/EN 61558-2-2/2-4/2-6 UL 506 UL Recognized CE CSA-C22.2 No. 66.2-06 UL File No.: E167225 VDE 0113, VDE 0100 Part 410 VDE 0570 Part 2-2 IEC/EN 60204-1, ÖVE-EN 13 CSA-C22.2 No. 66.1-06 VDE 0570 Part 2-4 (isolating transformer)
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
Model Code	STZ3,0(/)

Features & Functions

Features

Separate windings
Fully Vacuum-impregnated
Reinforced insulation

General information

Ambient operating temperature - min	-25 °C
Ambient operating temperature - max	40 °C
Connection lug	Yes for < 63 A
Connection type	Terminations, < 63 A
Duty factor	100 %
Insulation class	B
Primary tapping	± 5 %
Product category	Single-phase control transformers ST
Suitable for	Branch circuits, (UL/CSA)

Electrical rating

Efficiency	97 %
No-load losses	30 W
Rated frequency - min	50 Hz
Rated frequency - max	60 Hz
Rated power	3 VA
Relative short-circuit voltage	2.1 %
Short-circuit losses	55 W
Short-time rating	11.5 kVA
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	85 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.

Çizimler

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914776 Model Kodu: STZ3,0(*/*)