Electrical
Electrical

An extensive range of robust fittings and weatherproof products.

Automotive
Automotive

Connectivity solutions such as high brackets, busbars, and connector pins.

Power Transmission & Distribution
Power Transmission & Distribution

Connectors & structural components for cutouts, transformers, & substations.

Aerospace
Aerospace

Complex sensor housings & fracture-critical products.

Appliances
Appliances

Robust castings and assemblies for everyday appliances.

Commercial Hardware
Commercial Hardware

Finished components for commercial & residential hardware applications.

Electronics & Telecom
Electronics & Telecom

Precision metal stamped sensors, connectors and cast housings & covers.

Fluid Power
Fluid Power

Durable, precision products for high-pressure applications.

Food & Beverage
Food & Beverage

Handles, leveling pins, flow valves & button housings.

Lighting
Lighting

Custom housings to fully assembled commercial & industrial light fixtures.

Marine
Marine

Durable corrosion-resistant engineered castings and subassemblies.

Medical & Dental
Medical & Dental

Medical-grade parts for implants, housings, manifolds, and pumps.

Oil & Gas
Oil & Gas

Custom housings and covers for flow control, pressure valves & meters.

Power Tools
Power Tools

Durable yet lightweight custom metal housings.

Solar
Solar

Innovative precision metal stamped parts.

High Pressure Die Casting

High-pressure liquid metal is pressed into a precision metal mold cavity, and then cooled & solidified under pressure.

Ideal for a wide range of applications, including automotive, agricultural, electronics, and medical.

Sand Casting

Castings with complex shapes & inner cavities that are produced in a sand mold

Ideal for parts with complex shapes and inner cavities

Gravity Die Casting

A mold is filled with liquid metal using gravity and cooled and solidified in the mold to obtain a casting

Ideal for parts with complex shapes made with steel, aluminum or magnesium alloys

Investment Casting

A process used to obtain a mold without a parting surface; creates parts with high dimensional & geometric accuracy

Ideal for near-net shaped parts with complex shapes and high precision requirements

Partner Services

Custom Tooling, Machining, Surface Finishing, Special Purpose Machine Design & Development

Precision Metal Stamping

More than 80 presses convert metal sheets into custom parts

Ideal for parts for electronic connectors and microprocessor chips

Swiss Screw Machining

A specialized CNC machine capable of producing extremely small, precise parts

Ideal for complex miniature screws, contact pins & micro-fasteners

Partner Services

Rapid Prototypes, Heat Treating, Automated Assembly

Company History
Company History

Learn more about our company milestones.

Plant Locations
Plant Locations

Learn more about our global manufacturing facilities.

Company News
Company News

See our company announcements and press releases.

Contact Us
Contact Us

Let us know how we can help create a solution for you

Resources
Resources

Download catalogs and key product guides.

Global Code of Conduct
Global Code of Conduct

Download our Code of Conduct and report violations.

Innovation at Sigma

Purposeful innovation – the continual improvement and innovation of custom-designed and precision-made products and solutions.

Engineered Solutions

Sigma offers solutions for complex product characteristics and technical requirements.

Global Supply Chain Management

U.S.-based supply chain management teams support our customers.

Partner Services

Sigma is a vertically integrated single-source solution provider.

Sustainability at Sigma

Our commitment to excellence drives us to build a better, more sustainable future in all aspects of our operations.

Safety at Sigma

Safety is more than just a priority at Sigma Engineered Solutions – it’s a core value.

< Products

Three-Gang Toggle Switch Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: CoverKit
Type(s): 3-Gang
Connection Type(s): Switch
Feature(s): Single Pole

Toggle switch kits are used to provide weatherproof protection for the included outdoor switch mounted in a one-gang weatherproof box.

  • Includes 15-Amp single pole toggle switches
Color Model Number
Gray F3444S1G0
cULus: E324138

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Three-Gang Duplex Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 3-Gang
Connection Type(s): Duplex

May be used to provide weatherproof protection for an outdoor receptacle

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Self-closing lids provide weatherproof assurance when the receptacle is not in use
  • Powder coated for maximum corrosion resistance
  • Includes installation hardware and gasket
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
Gray C3111G1
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Three-Gang Switch Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 3-Gang
Connection Type(s): Switch

May be used to provide weatherproof protection for an outdoor receptacle

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Self-closing lids provide weatherproof assurance when the receptacle is not in use
  • Powder coated for maximum corrosion resistance
  • Includes installation hardware and gasket
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
Gray C3444G1
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Three-Gang Blank Cover

Material: Stamped Steel
Category: Weatherproof
Sub Category: Cover
Type(s): 3-Gang
Connection Type(s): Blank

Three-gang blank covers are used with three-gang, rectangular weatherproof boxes.

  • Made from stamped steel
  • Powder coated for maximum corrosion resistance
  • Includes installation hardware and gasket
Color Model Number
Gray BC3000G1
cULus: E121488

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

3/4″ 7 Hole Three-Gang Box

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Box
Type(s): 3-Gang

May be used as a weatherproof junction box or as a housing for electrical devices in wet, damp or dry locations

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Tapered internal NPT threaded hubs comply with NEMA requirements and accept threaded conduit fittings or threaded conduits for a secure installation
  • Powder coated for maximum corrosion resistance
  • Closure plugs, ground screws and mounting lugs included
  • Available in bulk or custom shrink wrapped packaging
  • 2″ Depth
Color Model Number
Gray 13077G1
Volume
55
UL: E121488
CSA: LR57925

Standards: UL 514A, CSA C22.2 No. 18.1-13
< Products

1″ 7 Hole Three-Gang Box

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Box
Type(s): 3-Gang

May be used as a weatherproof junction box or as a housing for electrical devices in wet, damp or dry locations

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Tapered internal NPT threaded hubs comply with NEMA requirements and accept threaded conduit fittings or threaded conduits for a secure installation
  • Powder coated for maximum corrosion resistance
  • Closure plugs, ground screws and mounting lugs included
  • Available in bulk or custom shrink wrapped packaging
  • 2″ Depth
Color Model Number
Gray 13107G1
Volume
55
UL: E121488
CSA: LR57925

Standards: UL 514A, CSA C22.2 No. 18.1-13