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3B SCIENTIFIC
Instruction sheet
02/09 Hh
1. Safety instructions
•
Do not exceed the maximal values specified for
the switching voltage, switching current and
the power rating specified in the technical data
section.
This constitutes a fire hazard.
•
Do not connect this relay to high voltage since
this might break down the potential isolation.
2. Scope of delivery
1 Relay
1 Mini DIN connecting lead 8-pin, 60 cm length
®
PHYSICS
Relay U11368
1
3. Description
The relay is an event-triggered switch for switching
on or off components that are electrically isolated
from the experiment set-up. Examples of such
components include light bulbs, small to medium-
sized electrical motors, holding magnets and elec-
tromagnetically operated valves.
The power relay box is equipped with a set of con-
tacts (1 N/C contact, 1 N/O contact, 1 change-over
contact) with printed labels so that can be used as
an N/C or an N/O switch.
When the relay coil is inactive (when no current is
flowing), the N/C contact is closed.
The switch contacts consist of high-grade silver
alloy and are connected to 4-mm safety sockets.
The relay is equipped with safe potential isolation
between the coil and the contacts in conformance
with the VDE 160 standard.
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