KS-20N
Manual Override
Key Switch
Key-operated backup override for EM locks
StandardLED + TamperGrade 304
Overview
Key-operated switch that acts as a mechanical backup to the access control system. Installed in a secure location and wired in parallel or series with the power supply and electromagnetic lock, it lets an authorised keyholder switch between normally-closed and normally-open contacts to force the door open if the reader or controller fails. Available in three face-plate styles across the KS-20N, KS-28 and KS-33 series.
Technical Specifications
Complete technical details and specifications
| Model Variants | KS-20N, KS-28, KS-33 |
| Contact Type | NC | NO common |
| Current Rating | 12V DC, 3A |
| Key | 2-position removable, single pole |
| Key Type | Nickel-plated tubular |
| Material | Stainless steel face board (KS-20N, KS-28); stainless steel grade 304 (KS-33) |
| Construction | Zinc alloy die-cast lock, housing and cylinder |
| Mounting | Flush stainless steel plate |
| Weatherproofing | Face plate and lock cover for weather-resistant operation |
| Dimensions | 85 x 85 x 35mm |
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