PCB transformer, safety isolating transformer

VR 4,5/2/8 - Discontinued items – not for new applications

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Image of BLOCK Item: VR 4,5/2/8 - Discontinued items – not for new applications Image of BLOCK Item: VR 4,5/2/8 - Discontinued items – not for new applications
Picture shows VR 7,5/2/9
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Characteristics

Benefits

› Minimum size at high output

› Also with double output voltage for series or parallel connection

› Permanent corrosion protection, high insulation value and maximum electrical reliability thanks to XtraDenseFill resin encapsulation

› Self-extinguishing potting material

› Space saving installation thanks to additional screw mounting in the base plate

Product (Headline_Detailseite) PCB transformer, safety isolating transformer
Order number (PF_Teilenummer) VR 4,5/2/8
Series (PF_Baureihe) VR
Power (PF_Leistung_VA_W) 4.5 VA
Input (PF_Trafo_Eingang) 230 V
Output (PF_Trafo_Ausgang) 2 x 8 V • 0.281 Aac
Phases (PF_Phasen) 1
Frequency range (PF_Frequenzbereich) 50 Hz to 60 Hz
No-Load Losses (PF_Leerlaufverluste_W) 1.5 W
EN Insulation class (PF_EN_Isolierstoffklasse) B (130°C)
UL Insulation class (PF_UL_Isolierstoffklasse) class 105
Duty Cycle (PF_Einschaltdauer) 100 %
Wire material (PF_Leitermaterial) Copper
Efficiency (PF_Wirkungsgrad) 69 %
General
Short circuit proof (PF_Kurzschlussfestigkeit_KS_Festigkeit) not short-circuit proof
Switching group (PF_Schaltgruppe) Iii0
Cooling type (PF_Kuehlungsart) AN
Environment
Ambient temperature (PF_Umgebungstemperatur) -20 °C to 40 °C / -4 °F to 104 °F
Max. installation height (PF_max_Aufstellhoehe_m) 2,000 m / 6,562 ft
Protection and Safety
Protection type (PF_Schutzart) IP00
Protection class (prepared) (PF_Schutzklasse) II
Overvoltage category (PF_ueberspannungskategorie) III
Degree of contamination (PF_Verschmutzungsgrad) 1
Electrical Connections
Input terminal (PF_Anschluss_Eingang) Pin
Output terminal (PF_Anschluss_Ausgang) Pin
Size and Weight
Width (PF_Breite_mm) 44 mm / 1.73 in
Height (PF_Hoehe_mm) 33 mm / 1.3 in
Depth (PF_Tiefe_mm) 37 mm / 1.46 in
Weight (PF_Gewicht_kg) 0.197 kg / 0.434 lbs
Low Voltage Directive EN 61558-2-6
Approval cURus - Recognized UL 5085-1/-2; CSA 22.2
VDE Approval

VDE 0570-2-x (DIN EN 61558-2-x)
EN 61558-2-6
RoHS directive
Zulassung CE
VDE Approval
Approval cURus - Recognized
Image of BLOCK Item: PT 4,5/2/8

PT 4,5/2/8

Short circuit proof PCB transformer, safety isolating transformer
Input voltage Output voltage Power

230 V

8 V

4.5 VA

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