40A4 POLES EMER TYPE ON-OFF CAM SWITCH
The EMAS 40A 4-pole emergency rotary cam switch is engineered for critical safety power isolation and main circuit shutdown in industrial environments. Equipped with a high-visibility yellow faceplate and red lockable rotary handle, double-break silver-alloy contacts, and a robust 90^\circ safety indexing mechanism, it provides positive isolation across all four poles (3-phase + neutral or 4 independent lines) while supporting padlock safety locking.
Specification | Parameter Value |
|---|---|
Brand / Manufacturer | EMAS |
Series / Product Code | PSA Series (PSA040AK441E) |
Switch Function | Emergency ON - OFF (0 - 1) |
Number of Poles / Phases | 4 Poles (4-Phase / 4P) |
Frame Size | 64 \times 64\text{ mm} |
Rated Operational Current | 40 A (AC-21A) |
Rated Operational Voltage | Up to 690 VAC |
Rated Insulation Voltage | 690 V |
Impulse Withstand Voltage | 4 kV |
Switching Angle | 90^\circ Safety Indexing |
Contact Material | Silver Alloy (AgNi) |
Protection Degree | IP54 (Front Plate) / IP20 (Terminals) |
Mechanical Life | \ge 100,000 Operations |
Electrical Life | \ge 50,000 Operations |
Operating Temperature | -25°C to +80°C |
Mounting Type | Front Panel Mount |
Ssaoco Dammam
- Started from: Jul 10, 2025
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