
Overfill Alarm :: Battery / Mains Operated
An industry recognised range of tank alarms, as standard the overfill alarm is available as either a 230v mains or 9v battery operated device (also available in 12v, 24v & 110v built to order).
Housed within a polycarbonate weatherproof enclosure both versions are suitable for installation into exposed locations.
Suitable for all Diesel & Gas Oil installations. This device should not be used in a Hazardous area or for tanks filled with Kerosene or fuels with a flashpoint below 38°C, in this instance we recommend installing our Overfill Prevention Valve.
Specification |
Tank Alarm | Mains Fill Protection |
Battery Fill Protection |
Type | Audible / Visual Indication |
Audible / Visual Indication |
Sensor | Float Operated 5m Flex |
Float Operated 5m Flex |
Protection Class | IP55 |
IP55 |
Temp Range | -20°C to +60°C |
-20°C to +60°C |
Audible Warning | 2600Hz 90dB Sounder |
2600Hz 90dB Sounder |
Visual Warning | Large Amber Strobe |
Flashing Red LED |
Power Supply | 230v AC |
PP3 (9v) Alkaline Cell |
Battery Life | N/A |
5 Years Passive / 168 hours alarm |

Float | ||
Materials | Nylon 6.6 |
Nylon 6.6 |
Brass |
Brass |
|
Buoyancy | 0.7 SG |
0.7 SG |
Fluid Temp Range | -30°C to +70°C |
-30°C to +70°C |
Diameter | 22mm |
22mm |
Fixing | 1½" BSP F Thread* |
1½" BSP F Thread* |

Optional Relay | ||
Contact | NO / NC |
NO / NC |
Max Voltage | 250V |
250V |
Max Current | 8A |
8A |

Dimensions | ||
Width | 147mm |
147mm |
Depth | 110mm |
110mm |
Height | 235mm |
215mm |
The principle of operation is simple, a float operated sensor is fitted through the top of the storage tank and its depth can be adjusted to suit the requirements of each specific application. This sensor is connected to the alarm enclosure via a weather proof signal cable (standard length 5m, additional lengths on request) and transmits the status of the tank to the alarm panel.
The alarm is easy to install and simple to operate. A test function is installed to ensure the device is operational before filling.
Overfill Alarm Options :: Relays and Supply Voltage
An optional relay can be fitted to the overfill alarm which can be used for additional pump/valve/signal control.
Available from stock in either battery operated or 230v AC. Also available in 12v DC, 24v DC & 110v AC built to order.
* Optional 1½" to 2" M/M Adaptor
Manual |
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mains |
battery |