088915 PKZM0-6,3-T Transformer-protective circuit-breaker, 3p, Ir=4-6.3A

Key Features

• ✔ Adjustable overload release range: 4–6.3 A, so it adapts to transformer loads
• ✔ Three-pole design with screw terminals, therefore wiring is secure
• ✔ Phase-failure sensitivity, which protects against imbalance
• ✔ Compact DIN rail mounting, so installation is simple
• ✔ Certified to UL, CSA, CE, IEC standards, and therefore globally compliant
• ✔ Suitable for transformers with high inrush current

Electrical Ratings

• ✔ Rated operational voltage: up to 690 V AC
• ✔ Rated impulse withstand voltage: 6000 V AC
• ✔ Short-circuit release: up to 100 A, so protection is reliable
• ✔ Mechanical lifespan: 100,000 operations
• ✔ Electrical lifespan: 100,000 operations
• ✔ Operating frequency: 40 operations/hour

Additional Details

• ✔ Shock resistance: 25 g mechanical (IEC/EN 60068-2-27)
• ✔ Finger and back-of-hand proof (EN 50274), so safety is improved
• ✔ Temperature compensation: –25 °C to +55 °C, therefore suitable for harsh environments
• ✔ Mounting: DIN rail (IEC/EN 60715), so integration is easy
• ✔ Pollution degree 3, and therefore reliable in industrial conditions
• ✔ Overvoltage category III, so it withstands surges

Typical Applications

• ✔ Transformer protection in industrial panels
• ✔ Power distribution systems, so reliability is ensured
• ✔ HVAC and building management systems
• ✔ Water treatment and pump control, therefore safer operation
• ✔ General electrical installations needing transformer protection