Utility Power products

400 Series

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The model 400 Series Meter-Based Surge Protection Device is a derivative of the original 1986 design.  This device can be installed in meter sockets up to 320 Amps*.

  • Smart Sensing Technology
  • Surge Suppression up to 60kA per Phase
  • In 20kA
  • 2000 Joules per Phase
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

575 Series - Low Profile

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The 575 Series Meter-Based Surge Protection Device is a low profile version of the 400 Series.  This device can be installed in meter sockets up to 320 Amps*.

  • Smart Sensing Technology
  • Surge Suppression up to 60kA per Phase
  • In 20kA
  •  2000 Joules per Phase 
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

675 Series

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The 675-3PAL  is a Type 1, 3 phase (200 Amp Max) SPD.  Designed with the same surge performance ratings as the 400 and 575 Series SPDs.

  • Smart Sensing Technology
  • In 20kA
  • 2000 Joules per Phase 
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

CL320 Heavy Duty

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 The CL320 Series is designed for Class 320 service and can handle up to 320 Amps continuous. Equipped with extra heavy duty jaw blades to accommodate current ratings*. 

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

MAP Series

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 MAP Series represents a new Era in Surge Protection with its  "one size fits all" application flexibility.  All units contain short circuit and thermal fusing and "smart sensing technology" which can distinguish between surges and overcurrent events.

  • Surge Ratings: 50kA 
  • 100kA RMS Symmetrical Fault Rating
  • In 10/20kA
  • Listed to ANSI/UL 1449 Standard
  • Glass filled polycarbonate enclosure
  • 15 Year Warranty

RCHW050/120-2P-0-1

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This RCHW Model is designed specifically for a Residential Utility Surge Protection Program.  These units have a low clamping voltage and easy parallel installation making it a great addition to any surge program!

  • Surge Ratings: 50kA  to 100kA
  • 100kA RMS Symmetrical Fault Rating
  • In 20kA
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

RCHW Aluminum Extrusion Case

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The hardwired units provide superior control over transients by delivering low clamping voltages combined with high surge energy handling capabilities.

  • Surge Ratings: 50kA to 200kA
  • 100kA RMS Symmetrical Fault Rating
  • In 10/20kA
  • Listed to ANSI/UL 1449 Standard
  • Additional Options Available
  • 15 Year Warranty

RCHW Polycase

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The hardwired units provide superior control over transients by delivering low clamping voltages combined with high surge energy handling capabilities.

  • Surge Ratings: 50kA to 200kA
  • 100kA RMS Symmetrical Fault Rating
  • In 10/20kA
  • Listed to ANSI/UL 1449 Standard
  • Additional Options Available
  • 15 Year Warranty

MST Series

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   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.

  • 100% Modular (Field replace/upgrade)
  • Surge Ratings: 50kA or 100kA
  • In 10/20kA
  • Available in NEMA 3R, 4, 4X or 12 Enclosures
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

Utility Industrial Power Products

MPT Series

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The MPT Series is a module Transient Protection System providing high-energy surge protection and optional RF Filtering for Commercial, Industrial and Remote Site applications.  Fast and Easy installation.

  • 300kA Max Surge Current per Phase
  • 100kA RMS Symmetrical Amps
  • In 10/20kA Aluminum or Polycarb Enclosures
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

BPT Series

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Configured for parallel installation.  All models for Type 1 or Type 2 service panel applications.  On-board diagnostics with LED indicators that continuously monitor the operational status of the entire unit.

  • 300kA Max Surge Current per Phase
  • 100kA RMS Symmetrical Amps
  • In 10/20kA Aluminum or Polycarb Enclosures
  • Listed to ANSI/UL 1449 Standard
  • Additional Options available
  • 15 Year Warranty

MST Series

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 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.

  • 100% Modular (Field replace/upgrade)
  • Surge Ratings: 50kA or 100kA
  • In 10/20kA
  • Available in NEMA 3R, 4, 4X or 12 Enclosures
  • Listed to ANSI/UL 1449 Standard
  • 15 Year Warranty

RCHW Aluminum Extrusion Case

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The hardwired units provide superior control over transients by delivering low clamping voltages combined with high surge energy handling capabilities.

  • Surge Ratings: 50kA to 200kA
  • 100kA RMS Symmetrical Fault Rating
  • In 10/20kA
  • Listed to ANSI/UL 1449 Standard
  • Additional Options Available
  • 15 Year Warranty

RCHW Polycase

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 The hardwired units provide superior control over transients by delivering low clamping voltages combined with high surge energy handling capabilities.

  • Surge Ratings: 50kA to 200kA
  • 100kA RMS Symmetrical Fault Rating
  • In 10/20kA
  • Listed to ANSI/UL 1449 Standard
  • Additional Options Available
  • 15 Year Warranty

MAP Series

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MAP Series represents a new Era in Surge Protection with its  "one size fits all" application flexibility.  All units contain short circuit and thermal fusing and "smart sensing technology" which can distinguish between surges and overcurrent events.

  • Surge Ratings: 50kA 
  • 100kA RMS Symmetrical Fault Rating
  • In 10/20kA
  • Listed to ANSI/UL 1449 Standard
  • Glass filled polycarbonate enclosure
  • 15 Year Warranty

HLP Series

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 The HLP Series is a Type 4 SPD designed to protect Traffic Signals, Highway Lighting, Parking Lighting, Interior Lighting, Security Systems, Fire Alarms.


  • Solid State 20mm MOV Design
  • Line-to-Ground Protection
  • LED Status Diagnostics
  • Listed to ANSI/UL 1449
  • No Follow Current
  • 15 Year Warranty

Utility Instrumental/Process/Control Power Products

HLP Series

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  The HLP Series is a Type 4 SPD designed to protect Traffic Signals, Highway Lighting, Parking Lighting, Interior Lighting, Security Systems, Fire Alarms.

  • Solid State 20mm MOV Design
  • Line-to-Ground Protection
  • LED Status Diagnostics
  • Listed to ANSI/UL 1449
  • No Follow Current
  • 15 Year Warranty

TST Series

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Devices are designed to protect sensitive electronic equipment from the harmful effects of transients.

  • Din Rail or Wall Mountable
  • Handles Surges Between 10 - 40kA
  • Small Terminals Handle Up to 15A w/#14 to #30 AWG Wire
  • Large Terminals Handle Up to 30A w/#6 to #20 AWG Wire
  • Listed to ANSI/UL 1449
  • 15 Year Warranty

DRM-K Series

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The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Port Patch Panel

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 The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

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Utility Signal Communication Products

SLT Series

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Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 10kA

  • Protection from 7.5V to 220V
  • 4 to 8 Lines Protected
  • Protected Shield to Ground
  • Earth Ground Terminal on Both Sides
  • ETL Listed to UL497B
  • 15 Year Warranty

SLT-HEB Series

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 Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 10kA

  • Protection from 7.5V to 220V
  • 4 to 8 Lines Protected
  • Protected Shield to Ground
  • Earth Ground Terminal on Both Sides
  • ETL Listed to UL497B
  • 15 Year Warranty

DRM-K Series

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 The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifunction Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Port Patch Panel

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 The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

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Utility Data/Networking Communications Products

DRM-K Series

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 The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Port Patch Panel

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  The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

SLT-HEB Series

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 Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 10kA

  • Protection from 7.5V to 220V
  • 4 to 8 Lines Protected
  • Protected Shield to Ground
  • Earth Ground Terminal on Both Sides
  • ETL Listed to UL497B
  • 15 Year Warranty

SLT Series

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 Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 10kA

  • Protection from 7.5V to 220V
  • 4 to 8 Lines Protected
  • Protected Shield to Ground
  • Earth Ground Terminal on Both Sides
  • ETL Listed to UL497B
  • 15 Year Warranty

SLT CAT 5E

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 Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 500A

  • Protects CAT5E Data Lines with 100Mbps & 100Mhz
  • Handles Surges up to 500A
  • Series Installation for Either Wall or Din Rail
  • Up to 8 Lines Protected 
  • ETL Listed to UL497B
  • 15 Year Warranty

SLT CAT 5 POE

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 Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 200A

  • Protects POE Data Lines with 100Mbps & 100Mhz
  • Handles Surges up to 200A
  • Series Installation for Either Wall or Din Rail
  • Up to 8 Lines Protected 
  • ETL Listed to UL497B
  • 15 Year Warranty

SLT CAT6 POE

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  Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 400A

  • Protects CAT6 Data Lines with 1000Mbps & 250Mhz
  • Handles Surges up to 400A
  • Series Installation for Either Wall or Din Rail
  • RJ45 (female to female) Connection Method 
  • ETL Listed to UL497B
  • 15 Year Warranty

SLT CAT6 DIN

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Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 200A

  • Protects CAT6 Data Lines with 1000Mbps & 250Mhz
  • Handles Surges up to 200A
  • Series Installation for Either Wall or Din Rail
  • Configured for 10/100/1000 Ethernet Data or Similar Protocol
  • ETL Listed to UL497B
  • 15 Year Warranty

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Utility Telco/Telephony Communications Products

TLT Series

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Transient Voltage Surge Suppression for Telephony Line protocols.  Units provide protection against Transient Voltages that exceed the nominal operating voltage of Dial-Up, Dedicated/Leaded and T1 Lines.

  • Dial-up Lines, DDS Lines, T1/E1, Leased Lines
  • Series Installation
  • Din Rail or Wall Mountable
  • ETL Listed to UL 497A
  • Indoor/Outdoor Applications
  • 15 Year Warranty

DRM-K Series

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 The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Port Patch Panel

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  The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Utility CCTV/CATV Communications Products

CLT Series

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The CLT Series provides Bidirectional Transient Voltage Surge Suppression for Coaxial BNC apps.  Surge protection voltages above 10V center core to shield and surge impulse currents up to 20kA.

  • Din Rail or Wall Mountable
  • Series Installation
  • Handles Surges up to 20kA
  • Insertion Loss of -3dB @ 250Mhz
  • ETL Listed to UL 479B
  • 15 Year Warranty

DRM-K Series

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 The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Port Patch Panel

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  The custom configurable DRM-K assembly is used to optimize the interfaces between equipment and available mounting space.

  • Single Design Capable of Multifuntion Uses
  • Mount Auxiliary and Optional Din Rail Equipment
  • Incorporate Surge Protection Directly with Critical Operating Systems

Utility Special Application Communications Products

SST Series

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Unit provides protection against Transient Voltages that exceed nominal operating voltages of incoming data.  Each line is protected against surge current impulses up to 10kA

  • Protection from 7.5V to 220V
  • 4 to 8 Lines Protected
  • Protected Shield to Ground
  • Earth Ground Terminal on Both Sides
  • ETL Listed to UL497B
  • 15 Year Warranty

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