EMITER Switchgear Attached AC Hermetic IP65 Surge Arrester Emitter Noark Type 2, 20A 3-Pole

The EMITER Switchgear Attached AC Hermetic IP65 Surge Arrester is a high-performance Type 2 surge protective device designed for AC power systems. Engineered for reliability, it provides robust protection against transient overvoltages in industrial and commercial installations.

Advantages

This surge arrester offers superior protection with a maximum discharge current of 40 kA and a nominal discharge current of 20 kA. Its hermetic IP65 enclosure ensures durability in harsh environments, while the visual status indication and remote signaling capability allow for easy monitoring and maintenance.

Suitable for

• AC power distribution panels
• Industrial control systems
• Commercial building electrical systems
• Outdoor installations requiring IP65 protection

Key specifications

• SPD Type: Type 2 (T2)
• Number of Poles: 3P (3-pole)
• Nominal Discharge Current (In): 20 kA (8/20 µs)
• Maximum Discharge Current (Imax): 40 kA (8/20 µs)
• Maximum Continuous Operating Voltage (Uc): 275 V AC
• Voltage Protection Level (Up): ≤ 1.5 kV
• Nominal Voltage (Un): 230/400 V AC
• Mounting Type: DIN Rail (35mm)
• Protection Degree: IP20 (terminal), IP65 (enclosure)
• Operating Temperature Range: -40°C to +80°C
• Response Time: < 25 ns
• Technology: Metal Oxide Varistor (MOV)
• Status Indication: Visual (Green/Red Flag)
• Remote Signaling: Yes (potential-free contact)
• Max. Conductor Cross-section (Solid): 35 mm²
• Max. Conductor Cross-section (Flexible): 25 mm²
• Standard Compliance: EN 61643-11
• Short-circuit Withstand Capability (Isccr): 50 kA
• Module Width: 3 Modules (54mm)

Recommendations

For optimal protection, install this surge arrester in accordance with local electrical codes and standards. Ensure proper grounding and conductor sizing to maximize performance.