Block AVB2, 0/1/9 Catalog Page
Transformers
PCB transformers
1
Short-circuit proof PCB transformer
AVB
General Data
Rated input voltage 2 x 115 Vac
Rated output voltage 6 - 2 x 24 Vac
Rated power 0.35 - 3.2 VA
Insulation class B
Maximum ambient temperature 70 °C (AVB 3,2 max. 50 °C)
Efficiency up to 59 %
Degree of protection IP 00
Advantages
Minimum size at high output
Inherently short-circuit proof
Dual input voltage for series or parallel connection
Also with dual output voltage for series or parallel connection
Designed for high ambient temperatures
Permanent corrosion protection, high insulation value and maximum
electrical reliability thanks to XtraDenseFill resin encapsulation
Self-extinguishing potting and hood material
BLOCK
1.1
Website
1.2
1.3
2.1
2.2
Standards & 1 Z
Applications
As a mains transformer for adjustment of the voltage and simple electrical
isolation.
As a safety transformer for the safe electrical isolation of the input and output
sides. The transformer is suitable for creating SELV and PELV circuits because
of the limit on the output voltage.
Sample application
Approvals W J Z
3.1
3.2
3.3
4.0
Mains transformer
to: VDE 0570 Teil 2-1, DIN EN 61558-2-1, EN 61558-2-1, IEC 61558-2-1, UL
5085-1/-2, CSA 22.2 No.66
Safety isolating transformer
to: VDE 0570 Teil 2-6, DIN EN 61558-2-6, EN 61558-2-6, IEC 61558-2-6, UL
5085-1/-2, CSA 22.2 No.66
UL 5085-1/-2, CSA 22.2 No.66
Subject to change
5.1
5.2
253
+
-
Short-circuit proof PCB transformer
AVB
Typ AVB 2,3/2/.. AVB 3,2/2/..
Input
Rated input voltage 2 x 115 Vac 2 x 115 Vac
Rated frequency 50 - 60 Hz 50 - 60 Hz
Output
Rated output voltage: Order no.
2x8 Vac: AVB 2,3/2/8 2x6 Vac: AVB 3,2/2/6
2x9 Vac: AVB 3,2/2/9
2x12 Vac: AVB 3,2/2/12
2x15 Vac: AVB 3,2/2/15
2x18 Vac: AVB 3,2/2/18
2x24 Vac: AVB 3,2/2/24*
Rated Power 2,3 VA 3,2 VA
No-load voltage (app. x factor) 1.43 1.57
No-load loss (typ.) 0.90 W 1.00 W
Efficiency 59.0 % 58.0 %
Standards
Classification
Safety isolating transformer Safety isolating transformer
*Mains transformer
Approvals
Approvals cURus cURus
Environment
Ambient temperature max. 70 °C 50 °C
Safety and protection
Type
Encapsulated Encapsulated
Insulation class
VDE=B, UL=class 105 VDE=B, UL=class 105
Protection index
IP 00 IP 00
Safety class (prepared)
II II
Short circuit strength
inherently short-circuit
proof
inherently short-circuit
proof
Order numbers
Order Number see rated output voltage see rated output voltage
+
-
Transformers
PCB transformers
1
Short-circuit proof PCB transformer
AVB
Typ AVB 0,35/2/.. AVB 0,5/2/.. AVB 1,0/2/.. AVB 1,5/2/.. AVB 2,0/2/.. AVB 2,3/2/..
Input
Rated input voltage 2 x 115 Vac 2 x 115 Vac 2 x 115 Vac 2 x 115 Vac 2 x 115 Vac 2 x 115 Vac
Rated frequency 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz
Output
Rated output voltage: Order no.
Rated Power 0,35 VA 0,5 VA 1 VA 1,5 VA 2 VA 2,3 VA
No-load voltage (app. x factor) 1.80 1.80 1.32 1.39 1.43 1.43
No-load loss (typ.) 1.30 W 1.10 W 0.90 W 1.00 W 0.90 W 0.90 W
Efficiency 30.0 % 40.0 % 55.0 % 57.0 % 43.0 % 59.0 %
Standards
Classification
Approvals
Approvals cURus cURus cURus cURus cURus cURus
Environment
Ambient temperature max. 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
Safety and protection
Type
Insulation class
Protection index
Safety class (prepared)
Short circuit strength
Order numbers
Order Number see rated output voltage see rated output voltage see rated output voltage see rated output voltage see rated output voltage see rated output voltage
2x6 Vac: AVB 0,35/2/6
2x9 Vac: AVB 0,35/2/9
2x12 Vac: AVB 0,35/2/12
2x18 Vac: AVB 0,35/2/18*
2x24 Vac: AVB 0,35/2/24*
Safety isolating transformer
*Mains transformer
Encapsulated Encapsulated Encapsulated Encapsulated Encapsulated Encapsulated
VDE=B, UL=class 105 VDE=B, UL=class 105 VDE=B, UL=class 105 VDE=B, UL=class 105 VDE=B, UL=class 105 VDE=B, UL=class 105
IP 00 IP 00 IP 00 IP 00 IP 00 IP 00
II II II II II II
inherently short-circuit
proof
2x6 Vac: AVB 0,5/2/6
2x8 Vac: AVB 0,5/2/8
2x9 Vac: AVB 0,5/2/9
2x12 Vac: AVB 0,5/2/12
2x15 Vac: AVB 0,5/2/15*
2x18 Vac: AVB 0,5/2/18*
2x24 Vac: AVB 0,5/2/24*
Safety isolating transformer
*Mains transformer
inherently short-circuit
proof
2x6 Vac: AVB 1,0/2/6
2x9 Vac: AVB 1,0/2/9
2x12 Vac: AVB 1,0/2/12
2x15 Vac: AVB 1,0/2/15
2x18 Vac: AVB 1,0/2/18*
2x24 Vac: AVB 1,0/2/24*
Safety isolating transformer
*Mains transformer
inherently short-circuit
proof
2x6 Vac: AVB 1,5/2/6
2x8 Vac: AVB 1,5/2/8
2x9 Vac: AVB 1,5/2/9
2x12 Vac: AVB 1,5/2/12
2x15 Vac: AVB 1,5/2/15
2x18 Vac: AVB 1,5/2/18*
2x24 Vac: AVB 1,5/2/24*
Safety isolating transformer
*Mains transformer
inherently short-circuit
proof
2x12 Vac: AVB 2,0/2/12 2x6 Vac: AVB 2,3/2/6
Safety isolating transformer Safety isolating transformer
inherently short-circuit
proof
2x9 Vac: AVB 2,3/2/9
2x12 Vac: AVB 2,3/2/12
2x15 Vac: AVB 2,3/2/15
2x18 Vac: AVB 2,3/2/18*
2x24 Vac: AVB 2,3/2/24*
*Mains transformer
inherently short-circuit
proof
BLOCK
Website
Subject to change
254
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