OVRHMSU

OVRHMSU (Modular Series-Connected Unit) Surge Protective Device is engineered to protect hard-wired installations within or adjacent to electrical loads such as outdoor lighting, robotics, process automation systems, motors, HVAC systems, pumps, heaters, programmable logic controllers, and other point-of-use applications. Compact and powerful, the OVRHMSU employs MOVs in parallel arrays placed at the input and output terminals to guard these and other individual components against damaging electrical transients, high-frequency noise, and high energy disturbances. OVRHMSU provides 50 kA of surge protection for loads up to 24 A.

Product Benefits

Series-connected design
Compact footprint saves space
Easy installation saves time and labor cost
High-frequency noise filtering helps extend equipment’s life span

Product Features

Recognized to UL 1449 4th Edition as a Type 2 compliant assembly
Parallel MOV arrays deliver protection from voltage spikes
Rugged, and durable polycarbonate enclosure
Easy-to-read LED status indication
Component level fusing

Technical Specifications

Maximum Surge Current Rating 50kA Per Mode
Voltage (Single-Phase Applications) 120, 220 or 277
Voltage (3-Wire + Ground Applications) 220/380 or 277/480
Voltage (Split-Phase Applications) 120/240

Applications

Outdoor lighting
Robotics
Process automation systems
Motors
HVAC systems
Pumps
Heaters
Programmable logic controllers
Other point-of-use applications

Certifications & Standards

Listed by ETL to UL 1449 4th Edition, Type 4 for Type 2 SPD applications, cUL and UL 1283
Compliant to IEEE C62.41.1-2002, C62.41.2-2002, and C62.45-2002
NFPA 70 [NEC], Article 285
RoHS Compliant
CE, IEC 61643-11-2011
EMC Directive 2004/108/EC
Low Voltage Directive 2006/95/EC