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KBF-S / KBF-S-UL (E6) 02/2019 page 28/91
4.3 Electrical connection
The chambers are supplied ready for connection. They come with a fixed power connection cable of at
least 1800 mm / 70.87 in in length.
Model version
Art. No.
(x = 0 or 1)
Power plug
Voltage +/-10% at the
indicated power fre-
quency
Current
type
Chamber
fuse
KBFS115-230V
KBFS240-230V
KBFS720-230V
KBFS1020-230V
9x20-0370
9x20-0366
9x20-0368
9x20-0372
Grounded
plug
200-230 V at 50 Hz
200-230 V at 60 Hz
1N~ 16 Amp
KBFS115UL-240V
KBFS240UL-240V
KBFS720UL-240V
KBFS 1020UL-240V
9x20-0371
9x20-0367
9x20-0369
9x20-0373
NEMA 6-20P
200-240 V at 50Hz
200-240 V at 60Hz
2~ 16 Amp
• The domestic socket must also provide a protective conductor. Make sure that the connection of the
protective conductor of the domestic installations to the chamber’s protective conductor meets the lat-
est technology. The protective conductors of the socket and plug must be compatible!
• Prior to connection and start-up, check the power supply voltage. Compare the values to the specified
data located on the chamber’s type plate (left chamber side, bottom right-hand, see chap. 1.4).
• When connecting, please observe the regulations specified by the local electricity supply company and
as well as the VDE directives (for Germany). We recommend the use of a residual current circuit
breaker.
• Pollution degree (acc. to IEC 61010-1): 2
• Installation category (acc. to IEC 61010-1): II
CAUTION
Danger of incorrect power supply voltage.
Damage to the equipment.
Check the power supply voltage before connection and start-up.
Compare the power supply voltage with the data indicated on the type plate.
See also electrical data (chap. 24.4).
To completely separate the chamber from the power supply, you must disconnect the power
plug. Install the chamber in a way that the power plug is easily accessible and can be easily
pulled in case of danger.
Remark when operating the chamber with a power frequency of 60 Hz:
WARNING
High leakage current.
Electrical hazard.
Earth connection is essential before connecting supply. Check socket before inserting
plug.
When connected to a power supply 1N~ with a frequency of 60 Hz, a leakage current of more than 3.5
mAmp is possible. If grounding through the power cable is insufficient or missing, the leakage current may
flow through the user’s body. Correct installation of the professional grade power socket provided by the
user safely avoids this. Before connecting the chamber to the socket, please check its grounding contact
type plug for appropriate construction and if it is undamaged.
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