Description
“The Raychem KAMFET KL-F Series Class 4 gloves are specifically engineered for the ‘hot-stick’ and live-line work environments of 2026. Manufactured using a state-of-the-art robotic dipping process, these gloves ensure a uniform thickness of approximately 3.6mm, providing a massive $50,000\text{V}$ withstand capacity.
In high-voltage transmission and power plant operations, safety is non-negotiable. These gloves are chlorinated both inside and out for effortless donning and doffing without the need for messy powders. The bi-color safety design acts as a fail-safe; the orange/red outer layer allows for instant visual detection of deep nicks or scratches that might expose the inner layer. Fully compliant with IEC 60903:2014 and EN 60903:2003, these gloves are Category III PPE, signifying protection against irreversible risks.”13
Maximum Insulation in a Compact Profile
Historically, Class 4 gloves were notoriously rigid, making it difficult for linesmen to handle small fasteners or sensitive switching gear. In 2026, Raychem has revolutionized the formula. By optimizing the molecular density of their natural latex, they have achieved a 36kV rating with a profile that allows for significantly better tactile feedback than traditional heavy-duty rubber.
Arc Flash & Environmental Resilience
Modern safety is multi-dimensional. Raychem Class 4 gloves are not just insulators; they are tested for Arc Flash environments (ATPV 39 cal/cm²) and carry the RC classification.14 This means they remain flexible and protective even when exposed to hydraulic oils, acidic battery leaks, or the extreme ozone levels typical of high-voltage arcing.
Comparison & Technical Charts
Class Comparison: Class 00 to Class 4
| Feature | Class 00 | Class 2 | Class 3 | Class 4 (This Product) |
| Max Use (AC) | 500V | 17,000V | 26,500V | 36,000V (36kV) |
| Max Use (DC) | 750V | 25,500V | 39,750V | 54,000V (54kV) |
| Proof Test (AC) | 2,500V | 20,000V | 30,000V | 40,000V (40kV) |
| Typical Thickness | ~0.5mm | ~2.3mm | ~2.9mm | ~3.6mm |
| Label Color | Beige | Yellow | Green | Orange |
Raychem KAMFET Class 4 Technical Data
| Parameter | Specification |
| Standards | IEC 60903:2014 / EN 60903:2003 |
| Category | RC (Acid, Oil, Ozone, Low Temp) |
| Length | 410 mm (16 inches) |
| Material | High-Dielectric Natural Latex |
| Arc Rating | APC 2 / ATPV 39 cal/cm² |
| Available Sizes | 9, 10, 11, 12 |
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