Engineering & Equipment Design for Hazardous Locations

Expert hardware engineering solutions for explosive atmospheres. From intrinsic safety circuit design to custom flameproof enclosures, we help hardware teams develop compliant, reliable products for global hazardous location markets.

Hazardous Location Engineering and Equipment Design

Why Hardware Teams Choose Us

Deep Hardware Expertise

Our engineers understand the complexities of circuit design, power management, signal integrity, and thermal considerations specific to hazardous location equipment. We speak your language.

Regulatory Compliance

Navigate ATEX, IECEx, UL, and CSA requirements from the design phase. Avoid costly redesigns by building compliance into your hardware from day one.

Faster Time-to-Market

Reduce development cycles with proven design patterns, validated components, and streamlined certification processes. Get your products to market faster.

Core Engineering Services

Comprehensive hardware design and engineering solutions for hazardous location applications

Intrinsic Safety Design

Circuit Design & Analysis

  • IS barrier and Zener barrier design
  • Galvanic isolation systems
  • Entity parameter calculations (Ui, Ii, Pi, Ci, Li)
  • System integration and cable analysis

Component Selection

  • Ex ia/ib rated components
  • Safety-critical component validation
  • Temperature coefficient analysis
  • Certified supplier qualification

Flameproof Enclosure Design

Mechanical Engineering

  • Ex d flame path calculations
  • Pressure withstand analysis
  • Material selection and treatment
  • Gasket and seal design

Testing & Validation

  • Explosion pressure testing
  • Thermal cycling validation
  • IP rating verification
  • Prototype testing coordination

PCB & Electronic Design

Layout & Design Rules

  • Creepage and clearance optimization
  • High-voltage isolation design
  • EMI/EMC compliant layouts
  • Thermal management solutions

Power & Signal Management

  • Low-power design techniques
  • Signal conditioning circuits
  • Protection circuit design
  • Sensor interface optimization

Protection Methods We Specialize In

Gas Atmosphere Protection

Ex ia/ib Intrinsic Safety (IEC 60079-11)
Ex d Flameproof Enclosures (IEC 60079-1)
Ex e Increased Safety (IEC 60079-7)
Ex m Encapsulation (IEC 60079-18)

North American Standards

Class I Div 1/2 Explosion-proof, Intrinsically Safe
Class II Div 1/2 Dust-ignition proof enclosures
UL 121201 Explosive Atmosphere Equipment
CSA C22.2 Canadian hazardous location standards

Design Considerations

Temperature ratings up to T6 (85°C)
Zone 0/1/2 and Class I Div 1/2 applications
IP65/66/67 environmental protection
Functional safety up to SIL 3

Our Hardware Development Process

From concept to certified product - engineered for hazardous locations

1

Requirements Analysis

Define hazardous area classification, protection concept, performance specs, and regulatory requirements for your application

2

Concept Design

Architecture definition, component selection, protection method selection, and preliminary circuit design with safety analysis

3

Detailed Engineering

Schematic design, PCB layout, mechanical design, thermal analysis, and design for manufacturability (DFM)

4

Prototyping & Testing

Prototype build, functional testing, safety parameter verification, and design optimization based on test results

5

Certification Support

Test planning, technical file preparation, liaison with test labs, and support through ATEX/IECEx/UL certification

6

Production Support

Manufacturing documentation, quality procedures, supplier qualification, and ongoing technical support

Technical Expertise

Deep engineering knowledge across multiple disciplines

Safety Calculations

Intrinsic safety parameter calculations, fault analysis, temperature rise calculations, and worst-case scenario modeling for all protection concepts.

Industrial Design

Ruggedized designs for harsh environments, vibration analysis, IP rating optimization, and materials selection for chemical compatibility.

Wireless & Communication

RF design for hazardous areas, antenna design, protocol implementation (Modbus, HART, Ethernet/IP), and cybersecurity considerations.

Power Management

Battery systems for hazardous areas, power optimization, charging circuits, and energy harvesting solutions for remote installations.

Ready to Engineer Your Next Hazardous Location Product?

Whether you're developing sensors, controllers, lighting, or custom equipment, our hardware engineering team can help you navigate the complexities of hazardous location design and certification.

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