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Wiring Do not run input wires with power cabling. Ground shields at one point only. Use compensating cable for thermocouple wiring. Non-isolated logic outputs depend on the SSR for isolation. Relay outputs are internally protected by a varistor. When inductive loads (such as mercury contactors) are used, or external switches are connected in series with internal contacts, high voltage transients may affect performance of the instrument. In this case it is recommended to install an additional RC snubber network across the contacts as shown. Contact Barber-Colman.


Mounting 7EF
Dimensions: 48W x 96H x 116D mm
Cutout: 45W(-0, +0.6 mm) x 92H(-0, +0.8 mm)
125 mm min. center-to-center vertical spacing
60 mm min. center-to-center horizontal spacing
Mounting 7HF
Dimensions: 96W x 48H x 116D mm
Cutout: 96W(-0, +0.8 mm) x 45H(-0, +0.6 mm)
60 mm min. center-to-center vertical spacing
125 mm min. center-to-center horizontal spacing
Weight: 400 gm max
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Last updated January 9, 2004