50 to 100kA Surge Rating
100kA RMS Symmetrical Fault Rating
In 10/20kA
Listed to ANSI/UL 1449 Standard
Additional Options Available
15 YEAR Warranty 
The Model 400 Series Meter-Base Surge Protector is a derivative of the original 1986 design. Equipped with twin 40mm MOVs and 2 red Monitor LED's. The 400 series is an excellent primary Type 1 SPD.
Smart sensing technology
Listed to ANSI/UL 1449 Standard
2000 Joules per Phase
In 20kA
Surge protection up to 57kA
15 YEAR Warranty 
The CL320 Series is designed for Class 320 service & can handle up to 320 Amps continuous. Equipped with extra heavy duty jaw blades to accommodate current ratings.

MAP SERIES

100% Modular - Field replace/upgrade​
Surge Ratings: 50kA or 100kA​
In 10/20kA
Available in NEMA 3R, 4, 4X or 12 Enclosures​
ETL listed to ANSI/UL 1449 Standard​
15 YEAR Warranty​
The 575 Series is a low profile version of the 400 Series. Based on field proven design & surge tested technology the 575 Series provides cost-effective primary protection. Series installation. 
These hardwired units provide superior control over transients by delivering low clamping voltages combined with high surge energy handling capabilities.

MST SERIES

UTILITY PRODUCTS
MAP Series represents a new era in Surge Protection with it’s “one size fits all” application flexibility. All units contain short circuit and thermal fusing, a “smart sensing technology” that distinguishes between surges and overcurrent events.
The 675-3PAL is a 3 phase (200 Amp max) Type 1 SPD. Designed with the same surge performance ratings as the 400 and 575 Series meter based SPDs.

575 SERIES Low Profile

2000 Joules per Phase
In 20kA
 Response time < 15 nanoseconds
4 Heavy-Duty Machined Jaw Blades​
Listed to ANSI/UL 1449 Standard
15 YEAR Warranty 

400 SERIES

These hardwired units provide superior control over transients by delivering low clamping voltages combined with high surge energy handling capabilities.
50kA Surge Ratings
100kA RMS Symmetrical Fault Rating
In 10/20kA
Glass filled polycarbonate enclosure
Listed to ANSI/UL 1449 Standard
15 YEAR Warranty​

MST SERIES

Smart sensing technology
Surge suppresion up to 57kA
2000 Joules per Phase
In 20kA
Listed to ANSI/UL 1449 Standard
15 YEAR Warranty 

​​RCHW ALUMINUM EXTRUSION CASE

RCHW POLYCASE

Smart sensing technology
In 20kA
2000 Joules per Phase
Listed to ANSI/UL 1449 Standard
15 YEAR Warranty​

CL320 Heavy Duty

50 to 200kA Surge Ratings
100kA RMS Symmetrical Fault Rating
In 10/20kA 
Listed to ANSI/UL 1449 Standard
Additional Options Available
15 YEAR Warranty 
The patent pending MST Series is a modular, parallel installed, SPD (surge protection device). Models are available for all standard electrical services and provide 100kA of surge energy handling per phase.

675 SERIES