SURGE PROTECTION DEVICES IN SOUTH AFRICA
Electrical Surge & Overvoltage Protection Solutions
- Registered
- Compliant
- Professional
- Nationwide
SYSTEM DIAGNOSTICS & SAFETY REGISTRATION
- Structural Risk Assessment (IEC 62305-2)
- Earthing Resistance Verification (< 10 Ohms)
- Surge Protection Device (SPD) Certification
- AIA Sanctioned Safety Sign-off
Registered & Fully Compliant
SABS & NRS Compliant
Fully Insured
Workmanship Guaranteed
Yearly Inspection & Testing Programs
Professional Surge Protection Device Installations
SA Lightning supplies, installs and tests surge protection devices for residential, commercial, industrial, agricultural and solar PV sites across South Africa. Surge protection devices help reduce the risk of damage caused by lightning-related surges, switching events and transient overvoltage.
A surge protection system works best when it is correctly selected, installed and connected to a suitable earthing system. For sensitive equipment, solar PV systems, security systems, automation and electrical distribution boards, SPDs are an essential part of a complete protection strategy.
INTEGRATED DEFENCE SYSTEMS
- Type 1, Type 2 & Type 3 SPD Protection
- Distribution Board Surge Protection
- Solar PV Surge Protection
- Earthing & Bonding Integration
RISK METRICS
TECHNICAL SPECIALISATION
Surge Protection Device Services
Type 1 Surge Protection
Type 2 Surge Protection
Distribution-board surge protection designed to protect electrical circuits, equipment and connected systems.
Type 3 Surge Protection
Point-of-use protection for sensitive electronic devices, office equipment, control systems and selected appliances.
Distribution Board Protection
Correct SPD selection and installation for main DBs, sub-DBs and critical electrical distribution points.
Solar PV Surge Protection
DC and AC surge protection for solar panels, inverters, combiner boxes and associated electrical equipment.
Data & Communication Line Protection
Protection for selected communication, access control, security, network and signal lines where required.
Earthing Integration
SPDs must be connected to a suitable earthing system so surge energy can be discharged effectively.
Testing & Documentation
Inspection and documentation to support maintenance, compliance and insurance records.
Who Needs Surge Protection Devices?
Surge protection is important for sites with electrical distribution boards, electronic systems, solar PV equipment, automation, security systems or sensitive technology that may be damaged by transient overvoltage.
Homes & Estates
Residential properties use SPDs to help protect household electronics, gate motors, alarm systems, appliances and smart-home equipment.
Commercial Buildings
Offices, shops and business premises rely on surge protection to reduce downtime and protect connected systems.
Industrial Sites
Factories, warehouses and plant environments need robust SPD planning for machinery, controls and electrical infrastructure.
Solar PV Installations
Solar PV systems are exposed to lightning-related surges and require suitable DC and AC surge protection.
Farms & Lodges
Remote and exposed sites often need surge protection for pumps, boreholes, solar systems, communication equipment and buildings.
Security & Automation Systems
Access control, CCTV, electric fencing, alarm systems and automation equipment can be vulnerable to transient overvoltage.
4-Step Surge Protection Process
Site Assessment
We inspect the electrical layout, distribution boards, incoming supply, earthing condition and sensitive equipment.
SPD Selection
We determine suitable Type 1, Type 2 or Type 3 surge protection devices based on the site risk and electrical configuration.
Installation
SPDs are installed at the correct protection points and connected to suitable earthing and bonding paths.
Testing & Documentation
The installation is checked, documented and recorded for maintenance, compliance and insurance purposes.
Designed for Compliance and Long-Term Protection
SA Lightning systems are meticulously engineered to satisfy rigorous national and international industrial safety codes. We prioritise reliable earthing infrastructure and clear testing documentation to ensure seamless underwriting approval and complete corporate liability mitigation.
- Correct SPD type and protection level selection
- Earthing and bonding connection check
- Testing and installation documentation
SANS / IEC 62305 Compliance
Our designs follow the structural standard rules for shielding, intercepting, and safely discharging strikes. We define explicit lightning protection zones (LPZ) using computational risk modelling aligned with IEC and South African standards.
Advanced Earthing Infrastructure
Underwriter & Insurer Documentation
Related Lightning Protection Services
Risk Assessment & System Design
Fully-compliant hazard calculations, structural strike probability modelling, and customised technical blueprinting aligned with recognised safety protocols and modern building standards.
Technical Compliance
Surge Protection Devices FAQ
A surge protection device helps divert transient overvoltage away from electrical and electronic equipment. It reduces the risk of damage from lightning-related surges and switching events.
What does a surge protection device do?
A surge protection device helps divert transient overvoltage away from electrical and electronic equipment. It reduces the risk of damage from lightning-related surges and switching events.
Do I still need surge protection if I have lightning conductors?
Yes. Lightning conductors help manage direct lightning strikes, while surge protection devices help protect electrical and electronic systems from overvoltage. Many sites need both.
Does surge protection need earthing?
Yes. Surge protection devices must be connected to a suitable earthing system so surge energy can be discharged effectively.
Need Surge Protection for Your Site?
Call 083 630 3181 or request a site assessment today.