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PRODUCT DESCRIPTION:
The MR-310 (SPDT) and MR-320 (DPDT) Series Relays provide for the use of two
differently referenced power supplies on the trip and host inputs. Both inputs are polarity
sensitive and diode protected. Both the trip and host inputs are jumper selectable
for dual ranges to optimize power consumption. Application configuration is easy, with
reversible selectability for "LO" range (<=18.4VDC) and "HI" range (>=18.5VDC) trip and
host inputs. The trip and host inputs are opto-isolated to guarantee non-interference
between inputs or integrated systems.
Each relay position contains a red LED, which indicates when the relay coil is energized.
Multi-position relays may be "snapped apart" and used independently. Relays are
available with snap track and mounting hardware (an optional DIN/"A" series rail clip,
TK-CL, is also available), swage type spacers, or mounted in sturdy enclosures.
Both trip and host inputs
are polarized, so that either
or both may be supervised,
and/or utilize voltage polarity reversal
logic for complex, multi-criteria
operations. These relay modules are
suitable for use with standard TTL,
Fire, Security, and many other Building
Control Systems.
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