Page 556 - Din prodcuts 2020

5/112 ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS 2CHC 420 001 C0201

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Protection and safety
Data & signal protection
OVR H Series

5
Combined Category D, C, B tested protector (to BS EN 61643) suitable for
twisted pair signalling applications which require either a lower in-line
resistance or an increased current than the OVR D or E Series. Also suitable for
DC power applications less than 4 Amps. Available for working voltages
of up to 6, 15, 30, 50 and 110 Volts. For use at boundaries up to LPZ 0 to protect
against flashover (typically the service entrance location) through to LPZ 3 to
protect sensitive electronic equipment.

Features & benefits
• Very low let-through voltage (enhanced protection to • Supplied ready for flat mounting on base or side
IEC/BS EN 62305) between all lines - Full Mode protection • Built-in DIN rail foot for simple clip-on mounting to top
• Full Mode design capable of handling partial lightning cur- hat DIN rails
rents as well as allowing continual operation of protected • Colour coded terminals give a quick and easy installation
equipment check - grey for the dirty (line) end and green for clean
• Repeated protection in lightning intense environments • Screen terminal enables easy connection of cable screen
• Ultra-low (< 0.05 Ω) in-line resistance allows resistance to earth
critical applications (e.g. alarm loops) to be protected • Substantial earth stud to enable effective earthing
• Very high (4 A) maximum running current • Integral earth plate enables enhanced connection to
• Strong, flame retardant ABS housing earth via OVR CME kit

Application Installation
Use these applications to protect resistance sensitive or Connect in series with the data communication or signal line
higher running current systems, e.g. systems with long either near where it enters or leaves the building or close to
signal lines, or DC power applications. the equipment being protected (e.g. within its control
panel). Either way, it must be very close to the system’s
earth star point. Install protectors either within an existing
cabinet/cubicle or in a separate enclosure.

Accessories
Combined Mounting/Earthing kits: Weatherproof enclosures: Install in series (in-line)
OVR CME 4 Mount & earth OVR WBX 4, OVR WBX 4/GS
up to 4 protectors For use with a OVR CME 4 DIRTY CLEAN
OVR CME 8 Mount & earth and up to 4 protectors
up to 8 protectors OVR WBX 8, OVR WBX 8/GS
OVR CME 16 Mount & earth For use with a OVR CME 8
up to 16 protectors and up to 8 protectors
OVR CME 32 Mount & earth OVR WBX 16/2/G From line To
up to 32 protectors For use with one or two OVR CME equipment
16 and up to 32 protectors Earth

NOTE: For some data and signal applications with lower current, higher in-line resistance or higher bandwidth requirements, the OVR D or E Series protectors
or the Slim Line OVR SL Series may be more suitable.