Standard graphic symbols for intruder alarm and detection systems used on all Copeland Group Services design drawings. Symbols comply with BS EN 50131 and IEC 60617 conventions where applicable.
| Symbol Code | Name | Standard Reference | Notes |
|---|---|---|---|
| PIR-01 | Passive Infrared Detector | BS EN 50131-2-2 | Single-technology passive infrared motion detection |
| DT-01 | Dual-Technology Detector | BS EN 50131-2-4 | PIR + microwave combination; reduced false alarm rate |
| DC-01 | Door Contact (Magnetic) | BS EN 50131-2-6 | Magnetic reed switch; filled block = magnet |
| WC-01 | Window Contact | BS EN 50131-2-6 | As DC-01, rotated 90° to denote window mounting |
| SV-01 | Shock / Vibration Sensor | BS EN 50131-2-8 | Detects impact or vibration transmitted through structures |
| GB-01 | Glass Break Detector | BS EN 50131-2-7 | Acoustic detector; crack symbol denotes glass pane |
| CP-01 | Control Panel | BS EN 50131-3 | Main alarm controller with display and zone capacity |
| KP-01 | Keypad / Code Pad | BS EN 50131-3 | Remote arming keypad; taller profile than CP-01 |
| BB-01 | External Bell Box / Sounder | BS EN 50131-4 | Combined strobe and sounder; external mounting |
| IS-01 | Internal Sounder | BS EN 50131-4 | Internal audible warning device; speaker symbol |
| ST-01 | Strobe / Beacon | BS EN 50131-4 | Visual warning only; eight-ray flash symbol |
| PA-01 | Personal Attack Button | BS EN 50131-2-9 | Deliberately triggered; requires latching reset |
| PSU-01 | Power Supply Unit | BS EN 50131-6 | Mains-derived DC supply with battery standby |