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Surge Arrester
Surge arrester module for plug-on load center panel mounting is simple to
install. Designed to fit Square D type QO Load Centers, NQO or NQOD Panelboards, or
Combination Service Entrance Devices (CSED) requiring two adjacent pole spaces.
Installation is completed by connecting the single white wire to the panel's neutral
bar. This one device will protect your entire downstream electrical system although
surge protectors are still recommended at sensitive appliances, electronic equipment and
computers. Designed for use on single-phase, three-wire 120/240 Vac, 50/60 Hz
electrical services. UL Listed 75YO secondary surge arrester. Also meets
ANSI/IEEE C62.11-1987 requirements. Uses metal oxide varistor (MOV) design to arrest
voltage surges with a low resistance path line-to-line, or line-to-neutral, or
line-to-ground while providing a high resistance path to the 50/60 Hz power source.
The MOV responds faster and has a lower clamping voltage than comparable gapped
arresters. Individual non-replaceable internal fuse links protect each MOV and open
in the event of a surge that damages an MOV. The LED on the face of the unit
indicates operational status of the arrester. If the light is on the unit is fully
operational. When the LED indicator goes off, the unit should be replaced.
Suitable for use in service entrance locations and meets the requirements of NEC Article
280. Made in USA 
Detailed Specifications
| Parameter |
Value |
| Secondary Surge Arrester Voltage Rating |
175V AC maximum, line to ground |
White Wire Length
(cut as short as possible) |
18 inches |
| Lead Lengths for Discharge Voltages |
1 inch / 6 inches |
| Discharge Voltage @ 1,500 amps |
500 / 575 V line to neutral |
| Discharge Voltage @ 5,000 amps |
625 / 725 V line to neutral |
| Discharge Voltage @ 10,000 amps |
750 / 1075 V line to neutral |
| Minimum Life for 1500 amp surges |
2,500 operations |
| Peak Single-Pulse Current Rating |
27,000 amps |
| Transient Energy Rating |
330 joules, line to neutral
660 joules, line to line |
| Operating Temperature Range |
-20 to 65 C (-4 to 150 F) |
Item Number: QO2175SB
Your Price: $109.00
Shipping Weight: 2 lb.
This item normally ships 5 business days after order acceptance.
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