BE1-47N Installation
4-1
SECTION 4 • INSTALLATION
GENERAL
When not shipped as part of a control or switchgear panel, the relay is shipped in a sturdy carton to prevent
damage during transit. Immediately upon receipt of a relay, check the model and style number against the
requisition and packing list to see that they agree. Visually inspect the relay for damage that may have
occurred during shipment. If there is evident damage, immediately file a claim with the carrier and notify the
Regional Sales Office, or contact the Sales Representative at Basler Electric, Highland, Illinois.
In the event the relay is not to be installed immediately, store the relay in its original shipping carton in a
moisture and dust free environment. When relay is to be placed in service, it is recommended that the
following operational test be performed prior to installation.
RELAY OPERATING PRECAUTIONS
Before installation or operation of the relay, note the following precautions:
1. A minimum of 0.2 A in the output circuit is required to ensure operation of current operated targets.
2.
The relay is a solid-state device and has been type tested in accordance with the requirements
defined below under DIELECTRIC TEST. If a wiring insulation test is required on the panel
assembly where this relay is to be installed, it is suggested that the connecting plugs of the relay
be removed and the cradle withdrawn from the case so as not to produce false readings during the
wiring insulation test.
3. When the connecting plugs are removed the relay is disconnected from the operating circuit and will
not provide system protection. Always be sure that external operating (monitored) conditions are
stable before removing a relay for inspection, test, or service. Also, be sure that connecting plugs
are in place before replacing the front cover.
4. Be sure the relay case is hard wired to earth ground using the ground terminal on the rear of the
unit. Use a separate ground lead to the ground bus for each relay.
5. An undervoltage target indication may occur when the lower connecting paddle is removed if:
a) the instantaneous time function is selected, or
b) a time delay (definite or inverse) below 0.3 seconds is selected.
No actual trip output occurs if the upper paddle is removed first.
DIELECTRIC TEST
In accordance with IEC 255-5 and ANSI/IEEE C37.90, one minute dielectric (high potential) tests as follows:
All circuits to ground:
2121 Vdc
Input to output circuits:
1500 Vac or 2121 Vdc
MOUNTING
Because the relay is of solid state design, it does not have to be mounted vertically. Indeed, any convenient
mounting angle may be chosen. Relay outline dimensions and panel drilling diagrams are in Figures 4-1
through 4-10.
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