OVRHTE surge protective devices
| Product manual 7
Applying power
– Apply power to unit by closing the circuit breaker.
– Check OVRHTE lights. Protection is active when all lights are
illuminated.
Troubleshooting
Unit should be replaced if:
– Circuit breaker trips and cannot be reset
– One or more lights on OVRHTE are not illuminated
Options
The OVRHTE is available with these options:
– Dry relay contacts for remote monitoring. Upon failure of any
phase, the relay’s N.O. and N.C. contacts will change state.
The contacts are rated at 110VDC/125VAC with maximum
switching power of 30W DC/62.5VA AC.
– 457.0 mm (18 in.) of 19.1 mm (.75 in.) nonmetallic flexible
conduit and a fitting that connects to the provided 19.1 mm
(.75 in.) hub.
– 19.1 mm (.75 in.) x 76.2 mm (3 in.) nipple that connects to the
provided 19.1 mm (.75 in.) hub.
Standards/Compliance
– Listed by UL to UL 1449 4th Edition for Type 2 SPD
application, cUL, and UL1283
– Compliant to IEEE C62.41.1-2002, C62.41.2-2002, and
C62.45-2002
– NFPA 70 [NEC], Article 285
– RoHS compliant
Figure 6
Detail of optional dry relay contacts
Operation/Maintenance
The only operational verification necessary on the OVRHTE is to
observe that the lights are illuminated. There is no maintenance
to be performed on the OVRHTE nor does the OVRHTE contain
any user-serviceable parts.
Form “C” relay
Shown in alarm condition
N.O. – BLK
COM. – WHITE
N.C. – RED
N.O.
COM.
N.C.
