Block BUST Catalog Page
Transformers
1.2
5.1
1.3
2.1
2.2
3.1
3.2
3.3
5.2
4.0
Control transformers
1
Control transformer
BUST
1.1
General Data
Rated input voltage 230 - 500 Vac
Rated output voltage 24 - 230 Vac
Rated power 1000 - 10000 VA
Insulation class B
Maximum ambient temperature 40 °C
Efficiency up to 96.8 %
Degree of protection IP 00
Advantages
High performance for the volume thanks to compact design
Primary side ±5 % tappings for voltage adjustment
Very good corrosion protection and low noise thanks to vacuum
impregnation
Contact protected screw connection terminals complying with UVV BGV A3
Low height
Applications
Control transformer for the electrical isolation of the input and output sides.
The design of the transformer makes it suitable for the supply of control
systems complying with VDE 0113.
Standards | Z
Control transformer
to: VDE 0570 Teil 2-2, DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-2,
UL 5085-1/-2, CSA 22.2 No.66
Sample application
Approvals W J Z
UL 5085-1/-2, CSA 22.2 No.66
Subject to change
73
+
-
Control transformer
BUST
Typ BUST 2000/4/23 BUST 2500/4/23 BUST 3000/4/23 BUST 3000/44/23 BUST 3000/5/23 BUST 4000/23/23
Input
Rated input voltage 400 Vac 400 Vac 400 Vac 440 Vac 500 Vac 230 Vac
Tappings Input ±5 % ±5 % ±5 % ±5 % ±5 % ±5 %
Low-inrush current typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
Frequency range 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz
Output
Rated output voltage 2x115 Vac 2x115 Vac 2x115 Vac 2x115 Vac 2x115 Vac 2x115 Vac
Rated power VDE (DB cos phi=1) 2.000 VA 2.500 VA 3.000 VA 3.000 VA 3.000 VA 4.000 VA
Rated power VDE (KB cos phi=0.5) 5.300 VA 6.900 VA 8.900 VA 8.900 VA 8.900 VA 11.000 VA
Efficiency 93.9 % 94.8 % 95.3 % 95.4 % 95.3 % 95.4 %
Approvals
Approvals cURus cURus cURus cURus cURus cURus
Environment
Ambient temperature max. 40 °C 40 °C 40 °C 40 °C 40 °C 40 °C
Type of cooling self-cooling self-cooling self-cooling self-cooling self-cooling self-cooling
Safety and protection
Type
Open type Open type Open type Open type Open type Open type
Insulation class
VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130
Protection index
IP 00 IP 00 IP 00 IP 00 IP 00 IP 00
Safety class (prepared)
I I I I I I
Short circuit strength
non-short-circuit proof non-short-circuit proof non-short-circuit proof non-short-circuit proof non-short-circuit proof non-short-circuit proof
PRI Fusing recommendation
by circuit breaker with
tripping characteristic type
20 x Irated related to set)
Setting range 4.00 - 6.30 A 6.30 - 10.00 A 6.30 - 10.00 A 6.30 - 10.00 A 6.30 - 10.00 A 16.00 - 20.00 A
Setting value 5.30 A 6.50 A 7.80 A 7.10 A 6.30 A 18.10 A
Order numbers
Order Number BUST 2000/4/23 BUST 2500/4/23 BUST 3000/4/23 BUST 3000/44/23 BUST 3000/5/23 BUST 4000/23/23
+
-
Transformers
Control transformers
1
Control transformer
BUST
Typ BUST 1000/23/24 BUST 1000/4/23 BUST 1600/23/24 BUST 1600/4/42 BUST 1600/4/23 BUST 2000/23/23
Input
Rated input voltage 230 Vac 400 Vac 230 Vac 400 Vac 400 Vac 230 Vac
Tappings Input ±5 % ±5 % ±5 % ±5 % ±5 % ±5 %
Low-inrush current typ. rated current up to
Frequency range 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz
Output
Rated output voltage 24 Vac 2x115 Vac 24 Vac 42 Vac 2x115 Vac 2x115 Vac
Rated power VDE (DB cos phi=1) 1.000 VA 1.000 VA 1.600 VA 1.600 VA 1.600 VA 2.000 VA
Rated power VDE (KB cos phi=0.5) 2.500 VA 2.500 VA 4.300 VA 4.300 VA 4.300 VA 5.300 VA
Efficiency 92.6 % 92.5 % 93.5 % 93.3 % 93.2 % 93.7 %
Approvals
Approvals cURus cURus cURus cURus cURus cURus
Environment
Ambient temperature max. 40 °C 40 °C 40 °C 40 °C 40 °C 40 °C
Type of cooling self-cooling self-cooling self-cooling self-cooling self-cooling self-cooling
Safety and protection
Type
Insulation class
Protection index
Safety class (prepared)
Short circuit strength
PRI Fusing recommendation
by circuit breaker with
tripping characteristic type
20 x Irated related to set)
Setting range 4.00 - 6.30 A 2.50 - 4.00 A 6.30 - 10.00 A 4.00 - 6.30 A 4.00 - 6.30 A 8.00 - 12.00 A
Setting value 4.70 A 2.70 A 7.40 A 4.30 A 4.30 A 9.30 A
Order numbers
Order Number BUST 1000/23/24 BUST 1000/4/23 BUST 1600/23/24 BUST 1600/4/42 BUST 1600/4/23 BUST 2000/23/23
12 times
Open type Open type Open type Open type Open type Open type
VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130 VDE=B, UL=class 130
IP 00 IP 00 IP 00 IP 00 IP 00 IP 00
I I I I I I
non-short-circuit proof non-short-circuit proof non-short-circuit proof non-short-circuit proof non-short-circuit proof non-short-circuit proof
typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
typ. rated current up to
12 times
Subject to change
74
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