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Spec-Setter Heavy Duty



 

Type TH heavy duty safety switches are designed for commercial and industrial applications where safety, high performance and continuity of service are essential.

They are available in 30-1200 amps, 600 Vac, 600 Vdc maximum, fusible and non-fusible units, and in NEMA Type 1 (indoor), Type 3R (outdoor), Type 4/4X (water and dust-tight, corrosion resistant), and Type 5/12 (drip and dust-tight) enclosures. When used with Class R or J fuses, 30-600 amp switches have a cUL Listed short-circuit rating of 200,000 rms symmetrical amps. Switches rated 800-1200 amps use Class L fuses and have a cUL Listed short circuit rating of 100,000 rms symmetrical amps.

ABB Heavy duty safety switches are Canadian service entrance rated when installed in accordance with the CSA standards.

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Benefits


Robust Durability

Galvanized steel enclosure offers superior rust protection in outdoor applications. There's also a durable polyester powder-coat finish

Helps Prevent Errors

Wide, unobstructed gutter and removable interior make wire pulling and lug connections quick and easy

Superior Safety

Clear line shield allows visual confirmation of blade positions while helping to protect against accidental contact with live parts. Optional premium-sized window helps ensure safer conditions

Easy Installation

Three-point mounting pattern speeds installation and simplifies ganging in close quarters

Facilitates Inspection and Adjustment

Plated blades provide visible confirmation of contact position

Long-Lasting Performance

Direct-drive, quick-make, quick-break mechanism "snaps" the contacts open and closed, providing positive ON/OFF indication while prolonging switch life

Features

  • Highly visible ON/OFF label and coin-proof integral interlock reduces potential for error and tampering
  • Bright red donut handle, ideal for hook stick operation, accepts three padlocks in the OFF position      
  • Cu-Al lugs are 60/75 degree C rated to permit greater wire selection
  • Accessories, such as auxiliary switch kits, are UL Listed for quick and easy field installation (or they may be factory installed)
  • Spring-reinforced fuse clips; Suitable for Class H, K or R fuses, where applicable
  • Coin-proof, defeatable dual interlocks meet all safety inspection requirements
  • Suitable for use as Canadian service entrance equipment with factory installed neutral
  • 30-200 amp NEMA Type 5/12 switches are suitable for mill duty applications
  • Optional premium-sized window helps ensure safer conditions

Technical Specifications

  • 30-1200 Amperes
  • 600 Volts AC, 600 Volts DC
  • 50/60 Hz

Certifications and Standards

  • UL/cUL Listed (UL 98/CSA-C22.2 No.4-04)
  • NEMA Enclosed Safety Switch Standard KS1-2001

Applications

  • Commercial and industrial applications
  • Oil and gas industry 
  • Solar and back-up power 
  • Grid to charger

Tools and resources

Video
Easy installation

Discover how easy it is to install the new 400 – 600 amp Spec-Setter Safety Switches with mounting bracket
Video
The safer, the better

ABB's safety switch with extra large viewing window
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Safety switches
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Safety switches with large viewing window
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Safety switches 400-600A

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