Haydon
| Input Specification | |
| Voltage | 90-264Vac |
| Frequency | 50-60Hz |
| Max. Current | 1A, 2A, 3A or 5A |
| Mains Input Fuse | 3.0A 250V |
| Output Specification | |
| Voltage | Nominal 27.6VDC when mains present |
| Max. Load Current | 1.0A, 2.0A, 3.0A or 5.0A |
| Ripple | 150mV pk-pk max |
| Load output Fuse | 1A, 2A, 3A or 5A |
| Overload Protection | Electronics shutdown until overload or short circuit removed (under mains power only) |
| Standby Battery | |
| Battery type | 24VDC Lead Acid |
| Battery Capacity | 2 x DC12V7Ah |
| Local Indicators | |
| Fault LED | Red indicating output fuse fail or battery fuse fail |
| Mains LED | Green indicating mains are normal |
| Battery LED | Orange indicating battery is in charging Green indicating battery is full charged Red indicating battery is in discharging. |
| Signalling Output | |
| Lid & Rear Tamper | N/O volt free contact (NOTE: contact closed when fixed to the wall and lid closed.) |
| Mains Fail Output Relay | N/O or N/C volt free output |
| Environmental | |
| Working Temperature | -10°C~+40°C |
| Storage Temperature | -20°C ~+60°C |
| Humidity | 95% RH non-condensing |
| Terminals | |
| V+ | + voltage O/P to load equipment |
| V - | - voltage O/P to load equipment |
| B+ | Red lead to standby battery |
| B - | Black lead to standby battery |
| Tamper | x 2 Tamper volt free contact |
| N.C. | Relay close to com when mains presents (Open when no mains) |
| COM | Common terminal of Mains Fail Output Relay |
| N.O. | Relay open to com when mains presents (Close when no mains) |
| Dimensions | |
| Box Size | W360 x H330 x D90mm Clam Lid Box, for 2x7Ah Batteries |