Arc Defender 40
40 cal/cm² ELIM Protection,
440 g/m² Total Fabric System.
An innovative textile architecture that eliminates the bulky, non-breathable 600+ g/m² multi-layer burden of conventional high-calorie arc flash suits. Arc Defender 40 (Model SMY2044) delivers a verified garment-level ELIM = 40 cal/cm² threshold and fabric-level ATPV = 49 cal/cm² thermal performance in a 440 g/m² two-layer inherent aramid construction.
Verified Engineering Fact: 440 g/m² represents the areal density of the Dual-Layer Micro-Air-Gap Fabric System (225 g/m² rip-stop aramid outer shell + 215 g/m² breathable aramid inner thermal barrier), not the gross weight of the assembled garment. The ELIM metric defines the conservative incident energy limit with a 0% probability of reaching the Stoll second-degree burn threshold (Fabric ATPV = 49 cal/cm², Finished Garment ELIM & ATPV = 40 cal/cm²).
Why You Don't Have to Carry 600+ g/m² for 40 cal Protection
During an electric arc flash event, extreme thermal energy propagates in tenths of a second, testing both the inherent flame resistance of fabric layers and their capacity to block radiant and convective heat flux. Conventional designs simply stack heavy layers, escalating heat stress and restricting operator mobility to dangerous levels.
Zero-Burn Threshold, Not 50% Probability
Under the EN IEC 61482-1-1 open-arc method, the dual-layer fabric system achieves ATPV = 49 cal/cm², while the finished Arc Defender 40 garment—including storm flaps and structural seams—is certified at ELIM = 40 cal/cm² (Garment ATPV = 40 cal/cm²). ELIM is the strict boundary where the probability of thermal energy exceeding the Stoll burn curve is 0%.
Lightweight & Breathable Dual-Layer Architecture
Instead of coarse batting fillers, Arc Defender 40 utilizes two independent inherent aramid layers: a 225 g/m² rip-stop aramid outer shell deflects arc plasma and resists fabric break-open, while the micro-air cushion and 215 g/m² breathable aramid inner thermal barrier interrupt heat flux before it reaches the skin.
Multi-Hazard Heat, Flame & Antistatic Protection
Meets the highest protection class—APC 2 (7 kA, 0.5 s)—in the EN 61482-1-2 box test across both fabric and finished garment levels, while delivering certified multi-norm heat/flame resistance and permanent electrostatic discharge protection.
Dual-Layer Aramid Engineering Against Electric Arc Flash
The lightweight profile of Arc Defender 40 is no coincidence. Validated across accredited AITEX test reports, the Dual-Layer Micro-Air-Gap Fabric System pairs a 225 g/m² rip-stop aramid outer shell that blocks arc plasma and deflects flame with a 215 g/m² breathable aramid inner thermal barrier and micro-air buffer that attenuate convective and radiant heat flux.
Finished Garment: 40 cal/cm² ELIM & Garment ATPV | Fabric System: 49 cal/cm² ATPV
225 g/m² Rip-Stop Aramid Outer Shell
- Fiber Composition: 93% Meta-Aramid, 5% Para-Aramid, 2% Antistatic Fiber — Inherent flame-resistant construction.
- Arc & Flame Shield: Refuses to melt, drip, or ignite upon arc plasma contact and prevents fabric break-open.
- High Tear Resistance: Micro-grid rip-stop weave delivers superior mechanical durability against switchgear edges and harness abrasion.
- Dimensional Stability: Maintains its protective fit and structural integrity across repeated laundering and drying cycles.
215 g/m² Breathable Aramid Inner Thermal Barrier
- Fiber Composition: 93% Meta-Aramid, 5% Para-Aramid, 2% Antistatic Fiber — Smooth-touch thermal aramid liner.
- Micro-Air Thermal Buffer: The micro-air layer trapped between the outer shell and inner liner interrupts rapid convective and radiant heat transfer.
- Moisture & Heat-Stress Control: High breathability reduces perspiration buildup and thermal fatigue during long substation and pole shifts.
- Permanent Electrostatic Safety: Full compliance with EN 1149-5 via integrated carbon fiber grid to eliminate electrostatic spark risks.
Operational Freedom of Movement on High-Voltage Poles
An arc flash suit proves its true value not just inside a laboratory test chamber, but on the utility lineman climbing a wooden pole in a storm, carrying heavy hand tools, and working for hours inside a substation bay.
Why Choose Arc Defender 40 in Field Operations?
High-voltage utility linemen operate with full-body fall arrest harnesses, positioning lanyards, and weighted tool belts. Arc Defender 40 stands apart in the field with its tailored ergonomic cut that contours to the body without bunching under harness webbing.
Fall Arrest Harness (EN 361) & Lanyard Compatibility
Reinforced 225 g/m² rip-stop aramid outer shell engineered for high mechanical resistance against friction and strap wear under full-body safety harness shoulder and leg webbing.
Accordion Elbow & Knee Flex Channels
Articulated ribbed flex panels eliminate fabric tension across the knees when climbing on pole gaffs and across the elbows during overhead crossarm assembly.
Stay-Tucked Extended Back Hem
During forward-leaning and lateral clamp-tightening tasks at the pole top, the extended rear jacket hem stays overlapped over the trousers, preventing exposed waist gaps.
Heat-Stress-Reducing Dual-Layer Breathability
A lightweight 440 g/m² fabric system and breathable 215 g/m² aramid inner thermal liner help regulate core body temperature for linemen working under direct summer sun, preventing fatigue-induced loss of focus.
Verified Certification, Garment Specifications & Sizing Chart
Key procurement and specification parameters certified under AITEX EU Type-Examination Certificate (No: 26/10153/00/0161/B) and Universal (2163) Module D quality assurance.
Standards & Protection Ratings
| Model Code | SMY2044 (Jacket & Pants Suit) |
| PPE Category | Category III — Regulation (EU) 2016/425 |
| Garment Open-Arc Threshold (ELIM / ATPV) | 40 cal/cm² ELIM / 40 cal/cm² ATPV (EN IEC 61482-1-1) |
| Fabric System Open-Arc Rating | 49 cal/cm² ATPV (EN IEC 61482-1-1) |
| Box Test Arc Class | APC 2 — 7 kA / 0.5 s (EN 61482-1-2) |
| Heat & Flame Performance | EN ISO 11612: A1+A2, B1, C1, F1 |
| Antistatic & Notified Bodies | EN 1149-5 | AITEX (0161) Mod B & Universal (2163) Mod D |
Fabric & Structural Features
| Total System Weight | 440 g/m² (±5%) Dual-Layer System |
| Outer Shell Layer | 225 g/m² Rip-Stop Aramid |
| Inner Thermal Barrier | 215 g/m² Breathable Aramid Liner |
| Fiber Composition | 93% Meta-Aramid, 5% Para-Aramid, 2% Antistatic |
| Structural Seams & Closure | 100% Aramid Thread, FR Hook-and-Loop Storm Flap & Cuffs |
| Laundering & Care | Max 40°C Machine Wash, No Chlorine Bleach (Inherent FR Fiber) |
| Warranty & Field Service | 1-Year Manufacturing Warranty + 3 Annual Field Audits |
EN ISO 13688 Standard Garment Sizing Chart
For verified thermal protection, the suit must fit comfortably without excessive constriction; the jacket must continuously overlap the trousers, and trouser hems must overlap arc-rated footwear during bending and overhead reaching.
| Size | EU Equivalent | Operator Height (cm) | Chest Girth (cm) | Waist Girth (cm) |
|---|---|---|---|---|
| S | 46 / 48 | 164 – 170 | 88 – 96 | 76 – 84 |
| M | 50 / 52 | 170 – 176 | 96 – 104 | 84 – 92 |
| L | 54 / 56 | 176 – 182 | 104 – 112 | 92 – 100 |
| XL | 58 / 60 | 182 – 188 | 112 – 120 | 100 – 108 |
| XXL | 62 / 64 | 182 – 188 | 120 – 128 | 108 – 116 |
Downloadable Certificates & Laboratory Test Reports (PDF)
Download the official EU Type-Examination Certificate and 3 accredited AITEX laboratory test reports directly for utility tenders, OHS compliance audits, and corporate procurement boards.
AITEX Certificate No: 26/10153/00/0161/B
Official EU Type-Examination Certificate under Regulation (EU) 2016/425 Category III for EN 61482-2:2020 (APC 2 & ELIM = 40 cal/cm²), EN ISO 11612 (A1+A2, B1, C1, F1), and EN 1149-5:2018.
AITEX Report No: 2025EP3054 (ATPV 49 cal/cm²)
EN IEC 61482-1-1 open-arc calorimetry test report for the 440 g/m² 2-layer fabric system (225 g/m² Ripstop outer shell + 215 g/m² breathable aramid thermal barrier): Fabric ATPV = 49 cal/cm².
AITEX Report No: 2026EP1005 (ELIM 40 cal/cm²)
EN IEC 61482-1-1 finished-garment open-arc test report for the Arc Defender SMY2044 jacket & trousers assembly: Garment ELIM = 40 cal/cm² and Garment ATPV = 40 cal/cm².
AITEX Report No: 2026EP2603 (Full Verification)
Complete 58-page accredited laboratory dossier covering EN 61482-1-2 APC 2 (7 kA) box testing, EN ISO 11612 multi-hazard thermal tests (A1+A2, B1, C1, F1), EN 1149-5 electrostatic dissipation, and mechanical/dimensional stability.
Is Your Facility's Incident Energy Within the 40 cal/cm² Envelope? — Verify with ArcSim
Before finalizing tender specifications or PPE selection, model your transformer capacity, cable impedances, and breaker/relay clearing times in our first-party ArcSim HV/MV Short-Circuit & Arc Flash Energy Simulator. Compute IEC 60909-0 fault currents (Ik'', ip), IEEE 1584-2018 open-arc incident energy (cal/cm², AFB), and DGUV 203-077 enclosed switchgear arc classes (W_LB, APC 1 / APC 2) over a dynamic SCADA Single-Line Diagram (SLD) to confirm whether your switchgear bays fall safely within the Arc Defender 40 (ELIM = 40 cal/cm² & APC 2) protection envelope.
Arc Defender 40 (SMY2044) One-Click Copyable Tender Specification
Standard technical tender clauses for electric utilities, transmission/distribution operators, industrial substations, and EPC procurement boards backed by official AITEX certification and accredited test reports.
- 1. Scope & Accredited Certification: The electric arc flash protective jacket and trousers suit shall be certified under Regulation (EU) 2016/425 Category III in full compliance with EN 61482-2:2020, EN ISO 11612:2015 (A1+A2, B1, C1, F1), EN 1149-5:2018, and EN ISO 13688:2013+A1:2021 by an accredited European Notified Body (Notified Body 0161 AITEX, EU Type-Examination Certificate No: 26/10153/00/0161/B).
- 2. Open-Arc (ELIM / ATPV) & Box-Test (APC 2) Performance: Tested per EN IEC 61482-1-1:2019 open-arc calorimetry, the finished garment assembly shall deliver at least ELIM = 40 cal/cm² and Garment ATPV = 40 cal/cm² (AITEX Report No: 2026EP1005), while the 2-layer composite fabric system shall achieve at least Fabric ATPV = 49 cal/cm² (AITEX Report No: 2025EP3054). Under EN 61482-1-2:2014 box testing, both the fabric and finished garment shall achieve Class APC 2 (7 kA, 0.5 s) protection (AITEX Report No: 2026EP2603).
- 3. Two-Layer Lightweight Inherent Aramid Fabric Architecture: The garment shall comprise two independent inherently flame-retardant (inherent FR) aramid layers with a combined nominal basis weight of 440 g/m² (±5%): a 225 g/m² tear-resistant Ripstop aramid outer shell (93% Meta-Aramid, 5% Para-Aramid, 2% Antistatic fiber) paired with a 215 g/m² breathable aramid thermal barrier lining (93% Meta-Aramid, 5% Para-Aramid, 2% Antistatic fiber).
- 4. Thermal, Flame & Post-Wash Stability: Following EN ISO 6330 washing and drying cycles, the fabric system shall meet EN ISO 11612:2015 Classes A1+A2 (limited flame spread), B1 (convective heat), C1 (radiant heat), and F1 (contact heat), exhibiting zero melting, dripping, or ignition during ISO 17493 (180°C) heat resistance testing under a maximum 40°C industrial care regime.
- 5. Structural Seams, Closures & Mechanical Integrity: Fabric and structural seams shall satisfy all tensile (EN ISO 13934-1), tear (EN ISO 13937-2), and seam strength (EN ISO 13935-2) requirements of EN 61482-2:2020 and EN ISO 11612. All structural seams shall be sewn with non-melting 100% aramid thread, featuring a full-length FR hook-and-loop storm flap over the front zipper and adjustable FR wrist/ankle tabs.
- 6. Electrostatic Dissipation & Module D Quality Assurance: The garment shall provide permanent antistatic protection per EN 1149-5:2018. In addition to Module B EU Type-Examination (AITEX 0161), ongoing production quality assurance shall be audited under Module D Notified Body surveillance (Universal 2163).
- 7. 1-Year Warranty & Tri-Annual (3×/Year) On-Site PPE Field Audit: The supplier shall warrant all delivered garments against fabric, seam, and closure manufacturing defects for 1 (one) year from delivery and conduct 3 (three) on-site PPE physical inspections per year (once every 4 months), submitting a written Field Observation & OHS Compliance/Retirement Report to facility management.
Complete PPE Ensemble, Natural Base-Layer Rule & Field Audits
An arc-rated jacket or trouser alone does not provide full-body protection. Arc Defender 40 (ELIM 40 cal/cm²) forms an unbroken protective chain alongside a GS-ET-29 Class 2 (APC 2) full arc flash hood and visor for the head/neck, EN 60903 dielectric insulating gloves + ArSafe APC 2 (125.3 cal/cm²) arc flash gloves for the hands, EN ISO 20345 dielectric/thermally insulated safety boots, and a 100% Cotton or Natural FR Base Layer.
- ✔️ The front jacket zipper must be drawn all the way up to the collar and the hook-and-loop storm flap sealed completely.
- ✔️ Trouser cuffs must never be tucked inside boots; they must overlap the outside of the footwear with ankle straps fastened securely.
- ✔️ Garments contaminated with grease, oil, paint, or flammable solvents must be cleaned immediately or removed from service, as hydrocarbon residues degrade flame resistance.
Rear view: Articulated accordion elbow flex channels, bi-swing action back gusset, and segmented reflective strips for 360° visibility.
Frequently Asked Questions
What is the difference between ELIM = 40 cal/cm² and ATPV = 49 cal/cm²? +
ATPV (Arc Thermal Performance Value) is the incident energy level at which there is a 50% probability that heat transferred through the fabric will cross the Stoll second-degree burn curve. ELIM (Incident Energy Limit), introduced under EN IEC 61482-1-1:2019, is a stricter and more conservative safety metric defining the highest thermal energy level with a 0% probability of second-degree burn or fabric break-open. The finished Arc Defender 40 garment guarantees this zero-burn threshold at 40 cal/cm², while the standalone two-layer fabric system reaches 49 cal/cm² ATPV.
What field advantage does the 440 g/m² dual-layer system provide over heavy 650+ g/m² arc flash suits? +
Conventional 40 cal/cm² arc flash suits typically rely on 3 or 4 heavy layers totaling 650–750 g/m². That excessive bulk induces severe heat stress, heavy perspiration, restricted range of motion, and physical fatigue that can compromise operator concentration. With its 440 g/m² dual-layer inherent aramid architecture (225 g/m² rip-stop outer shell + 215 g/m² breathable thermal liner), Arc Defender 40 delivers full Category III arc protection while allowing utility personnel to work with the agility and comfort of standard industrial workwear.
What is the scope and validity of the AITEX certification for this garment? +
Arc Defender SMY2044 is classified as Category III high-risk PPE under the European Union Personal Protective Equipment Regulation ((EU) 2016/425). EU Type-Examination was conducted by AITEX (Notified Body No. 0161) under Module B, issuing Certificate No. 26/10153/00/0161/B. Ongoing serial production quality assurance is audited by Universal Certification (Notified Body No. 2163) under Module D.
How should the suit be worn with a fall arrest safety harness (EN 361) when working at height? +
A full-body fall arrest harness must be worn over the Arc Defender 40 suit. The 225 g/m² rip-stop aramid outer shell is engineered to withstand heavy strap friction and abrasion under harness webbing. Furthermore, the jacket's stay-tucked extended rear hem and the trousers' articulated accordion knee panels prevent the garment from riding up or creating exposed gaps while climbing and positioning on utility poles.
Technical Dossier & Tender Specification Support for Arc Defender 40
Share your facility's arc flash incident energy study results, tender specifications, or sample evaluation requests; our engineering team will respond within 24 hours. If you have not yet calculated your panel incident energy, run an instant preliminary simulation on our engineering platform ArcSim (arcsim.info/en).