Mounting and Installation
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147924 / 8146647300
2018-12-06·BA00·III·en·12
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Safety switch / load disconnect switch
Series 8146/5-V37, Series 8150/5-V37,
Series 8146/5-V11
7.3.4 Conductor Connection to Pick-Off Terminal Block
7.3.5 Back-Up Fuse
• Secure the system by means of the specified electric back-up fuse.
• Ensure sufficient short-circuit current in the system.
7.3.6 Back-Up Fuses for Auxiliary Circuits
• Basically, auxiliary circuits must be short-circuit protected using 10 A gG.
DANGER
Explosion hazard due to creepage distances and clearances being too
short!
Non-compliance results in severe or fatal injuries.
• The customer MUST NOT install pick-off terminal blocks directly
next to the intrinsically safe auxiliary contacts!
DANGER
Explosion hazard due to unintended loosening of the pick-off terminal
block!
Non-compliance can result in severe or fatal injuries.
• Firmly tighten the mounting screw of the main terminal to clamp
the pick-off terminal block securely. For required tightening
torques please refer to chapter "Electrical connection".
12443E00
• Remove the covering (1) from the main
terminal using a screwdriver.
• Insert the pick-off terminal block (4) until it
snaps in the contact.
• Tighten the mounting screw of the main
terminal (3) with 5 Nm (for 8544) and
20 to 25 Nm (for 8549).
• Strip the conductor (5). Insert the conductor
into the pick-off terminal block and make
sure that the conductor insulation reaches
right up to the terminal.
• Tighten the mounting screw of the pick-off
terminal block (2) with 1.5 to 1.8 Nm.
For further information regarding technical data and installation of switch,
see respective operating instructions.
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Содержание Reihe 8146/5-V11
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