3
Mount the SEL-751A in a sheltered indoor environment (a building or an enclosed cabinet) that does not exceed the
temperature rating of –40°C to +85°C. For mounting consideration, the relay dimensions are shown below.
New Control Center
Retrofitting
1. Place the enclosed Panel
Cutout over desired
mounting location and
trace.
2. Make smooth cut around
cutout.
3. Place mounting gasket
around relay and insert
unit into hole. (The
photo displays optional
appearance bezel.)
4. Fasten relay to mounting
plate with included screws.
1. Remove old relay.
2. Insert retrofitting plate and
fasten (see www.selinc.com/
sel-751a.htm for retrofits).
3. Place mounting gasket
around relay and insert
unit into retrofitting plate.
4. Fasten relay to mounting
plate with included screws.
Rack Mounting