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What overcurrent protection is required on the SDSA1175 Surge Protection device?

What overcurrent protection to use on the SDSA1175 Surge Protection device?
Product Line:
Surge Protection Devices, SPD  

Breaker specification to protect equipment
The SDSA1175 comes with #14 wire.  You can connect it three different ways. 
1) You can connect to a existing breaker feeding another load if lug terminals will accommodate multiple conductors.  
2) You can connect to a dedicated 20A 2 pole breaker.
3)  You can direct bus connect because it is a Type 1 device. Type 1 SPD can be connected with or without an overcurrent protection device. 

To reach a Surge Protection Specialist direct please call 800-577-7353 or email:      
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