System Sensor Red Flash, Pure White Body, Clear Lens, non-Isolated. Wall VAD - Wall mounted, addressable loop powered EN54-23 O class compliant (W-1.68-1.68).
| Part no. | WST-PC-N00 |
|---|---|
| Brand | System Sensor |
| Range | Addressable Audio Visual Devices |
| Sub-range | Wall VAD |

Image for illustration; item supplied may differ
At a glance
- Addressable Wall Mounted VADA wall mounted, addressable, loop powered visual alarm device for the Morley-IAS addressable audio visual range.
- EN54-23 O Class CompliantCertified as EN54-23 O class compliant with a coverage code of W-1.68-1.68.
- Clear Lens, Red FlashThe device uses a clear lens with a red flash, driven by high output LED array technology.
- Non-Isolated ModelThis variant is not isolated. An optional built-in isolator to EN54-17 is available.
- Low Power Loop DeviceStandby current is 120μA and maximum current consumption is 5.21mA.
- White Body, Pure White SkirtThe white wall mount body carries a pure white skirt, 51mm high, 121mm in diameter and 168g in weight.
- Rotary Decade AddressingThe address is set on site using rotary decade address switches.
- B501AP Base and LPCB ApprovalA B501AP base is required and the product is LPCB approved. It operates from -25°C to +70°C.
Description
The WST-PC-N00 is the wall mounted VAD in the Morley-IAS addressable audio visual range. It is a wall mounted, addressable, loop powered visual alarm device, EN54-23 O class compliant with a W-1.68-1.68 coverage code, supplied with a clear lens and a red flash in a white body with a pure white skirt. This is the non-isolated model.
It measures 51mm high by 121mm in diameter and weighs 168g. The visual signal comes from high output LED array technology, and addressing is by rotary decade switches on the device. Standby current is 120μA with a maximum current consumption of 5.21mA.
The WST-PC-N00 is an addressable wall mounted VAD (Visual Alarm Device): a wall mounted, addressable, loop powered visual alarm device that is EN54-23 O class compliant (W-1.68-1.68). It carries a clear lens with a red flash and is the non-isolated version.
The body is a white wall mount with a pure white skirt, 51mm in height and 121mm in diameter, weighing 168g. High output LED array technology produces the visual signal, and the address is set on site with rotary decade address switches.
Read the full technical description
The operating range is -25°C to +70°C at a maximum 95% relative humidity, non-condensing. An optional built-in isolator is available to EN54-17. The product is LPCB approved and requires a B501AP base.
The WST-PC-N00 is an addressable wall mounted VAD (Visual Alarm Device): a wall mounted, addressable, loop powered visual alarm device that is EN54-23 O class compliant (W-1.68-1.68). It carries a clear lens with a red flash and is the non-isolated version.
The body is a white wall mount with a pure white skirt, 51mm in height and 121mm in diameter, weighing 168g. High output LED array technology produces the visual signal, and the address is set on site with rotary decade address switches.
Power requirements are low: 120μA standby current and 5.21mA maximum current consumption. It operates from -25°C to +70°C at up to 95% relative humidity (non-condensing). An optional built-in isolator to EN54-17 is available, and the product is LPCB approved. A B501AP base is required, and the device sits in the System Sensor Protocol range of addressable AV devices.
Specifications
| Sensor technology | 3IR sensor technology |
|---|---|
| Operating voltage | 24 VDC nominal (18-32 VDC) - Regulated. |
| Power consumption | 1.8 watts (nominal); 2.4 watts (Alarm); 12 Watts (max) = 0.50A @ 24V with heater ON 100% duty cycle. |
| Inrush current | 0.75A for a maximum duration of less than 5ms |
| Outputs | Fault, Alarm and Auxiliary SPDT relays Max. 32 Vdc/ac, max. 2 A, min 10 mA at 12 V resistive load. 4-20 mA source, sink or isolated current output. Uncertainty is 1% of reading. FP2 over RS-485 and USB (USB is accessible through Detector Module electronic device only). Modbus over RS-485. |
| Current output uncertainty | Uncertainty is 1% of reading. |
| Communication protocols | FP2 over RS-485 and USB (USB is accessible through Detector Module electronic device only); Modbus over RS-485 |
| Hart communication | The FS24X Plus™ Flame detector has HART® 7 communication; registered with FieldComm Group. EDD and DTM files are available. |
|---|---|
| Weight aluminum | Aluminum 3 lbs. 11 oz. (1.7 kg) |
| Weight stainless steel | Stainless Steel 7 lbs. 7 oz. (3.4 kg) |
| Housing material | Low Copper (less than 0.25%) marine grade Painted casted Aluminum of ASTM A356.0 grade; Polished cast Stainless Steel of ASTM CF8M grade. |
| Enclosure | Diameter: 125 mm (4.92 in) x 115 mm (4.52 in) deep; Two M25 X 1.5P or two ¾'' NPT conduit entries. |
| Window size diameter | 79 mm (3.11 in) |
| Operating temperature atex iecex | -55°C to +75°C |
Specifications per manufacturer documentation, subject to change. E&OE.