The New 100M

Compact, high-performance 100kA/phase modular surge protector
with NEMA 4 enclosure

The new 100M is a breakthrough in surge protector design, offering a total surge current capacity of 450,000 Amps in a user-friendly, compact package. We squeezed not only the best protection and status monitoring technology into this unit, but also our 50+ years of protector design experience and the critical feedback from our customers.

This surge protector is tailored to suit any budget or specification. Its features allow it to be used just about anywhere such as indoor or outdoor locations, branch panels, local panels, service entrances, dedicated to one critical piece of equipment, or OEM applications. Super easy to install due to its small footprint and preinstalled MZ connection cable, this protector embodies our “install it and forget it” philosophy.

Options Available: Backlit counter display, DIN rail mounting hardware, filtering, NEMA 4X stainless steel enclosure

20 Year No-Nonsense Warranty. 
Lifetime on Replaceable Modules.

Data Sheets:

Powder Coated Steel Enclosure
Data Sheet PDF - Specifications PDF - Installation PDF

standout Features:

  • High-current, bus bar construction

  • 100kA per phase surge current rating

  • All modes protected

  • 25% headroom, minimum

  • Bolt down, field replaceable protection modules with lifetime warranty

  • Factory wired low impedance MZ connection cable, 8ft.

  • Thermally protected high current varistors

  • Continuously monitored varistors

  • Surge event counter (non-volatile memory) with reset and test functionality

  • Compact, powder-coated steel NEMA 4 indoor/outdoor enclosure or NEMA 6P polycarbonate enclosure options

  • LED status indicators, beeper with mute switch

  • Alarm Relay Output

  • 100kA rating and 200kA rating on new models fit 90% of SPD applications

  • MCG’s most affordable high-performance surge protector

  • Designed and manufactured in our NY-based factory

  • Pulse count output

100M with NEMA 4 Powder Coated Steel enclosure is rugged and durable.

100M with NEMA 6P IP67 polycarbonate enclosure is ideal for damp environments and protection from the elements.

20 Year No-Nonsense Warranty. 
Lifetime on Replaceable Modules.

Popular Applications Include:

  • Branch and local panel protection

  • Irrigation control panels

  • Gate control panels

  • Pool & spa control rooms (corrosion proof)

  • Marine applications in proximity to salt water

  • Corrosive environments (waste water plants)

  • Residential service entrance panels

  • Emergency input to ATS (automatic transfer switch)

  • Dedicated equipment protection (CNC machines, etc.)

Similar Models: