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The Protec 2 way loop zone alarm interface is a loop powered input / output device providing 2 local zones of conventional detectors and 2 local monitored alarm outputs.
| Loop protocol | Protec Algo-tec™ 6000 MX1 |
| Loop isolator fitted | Yes, on board (consult Protec DEL2110 for details) |
| Loop voltage range | 18 to 28V peak loop |
| Number of loop addresses used | 2 maximum, user and build configurable |
| 24V Auxiliary input voltage range | 18 to 28V dc |
| Environmental operational limits | -10 to 50ºC (maximum 95% RH no condensation or icing) |
| Loop quiescent current (24V loop peak) | 1.6mA + zone end of line current + zone loading |
| Loop alarm current (average) | 18mA |
| Zone short circuit current (24V) | 26mA peak ± 2mA |
| Zone end of line requirements (I/P 1 & I/P 2) | Resistive – 8.2k ±5% ¼W, Capacitive – 100μ F ±20% in series with 22Ω ±5% ¼W |
| Input cabling requirements | Maximum cable resistance 6Ω per conductor Maximum cable capacitance 0.2μ F between cable conductors |
| Monitored input end of line details | End of line resistor value 47kΩ 1/4W ±5% |
| Monitored input short circuit threshold | Below 230Ω |
| Monitored input fire threshold | Below 7.85kΩ |
| Monitored input pre-alarm threshold | Below 32kΩ ( Input 3 only ) |
| Monitored input open circuit threshold | Above 111kΩ |
| Clean contact output details | 1 Single pole changeover rated for 2A maximum at 24V dc ( non inductive ) 1 Single pole changeover rated for 5A maximum at 230V ac ( non inductive ) |
| Weight | 245g ( including din rail housing, no backbox, 4 way build ) |
| LED Indicator | Use only high brightness LED (Protec stock code: NK 02-676-46) |
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