402-series non-addressable gas alarms are suitable for connection to 2-wire and 4-wire non-addressable fire detection control and indicating equipment. 402 detectors can also connect to 2-wire and 4-wire addressable fire detection control and indicating equipment that can accept non-addressable detectors.
Advanced electronics in conjunction with a semiconductor gas sensor provide early detection of propane gas (LPG) with high immunity against unwanted alarms.
Features:
· 2-wire and 4-wire models for DC 12 V and DC 24 V operation
· N/C or N/O alarm relay output
· Loud 85 dB internal sounder
· Connects to zone monitor for use with addressable control and indicating equipment
Specification:
| operating voltage | DC(12/24)V |
| start-up time | ≤10min |
| alarm current(max) | 50mA@DC 24V |
| sampling time | (2~4)s |
| start up indicator | green LED flashing every 0.5s |
| quiescent condition indicator | green LED flashing every 5s |
| reset voltage | ≤1V |
Ordering Information:
| Part Number | 2-Wire | 4-Wire | Relay Output |
| 402-001 | √ | - | - |
| 402-002 | - | √ | √ |
FAQ:
Q1:Are you a manufacturer or trading company?
A1:Numens is a professional fire alarm system manufacturer.
Q2:What kind of production service do you provide?
A2:The whole fire alarm system,include Addressable system, Conventional system, Residential system and so on....
Q3:What kind of certification do you have?
A3:Numens was EN,BSI,UL,SGS certified and all the products were produced under these major international standard .
Q4:What is the lead time for new order?
A4:The lead time for new order is 25 days after confirm order.
Q5:How do I get price information?
A5:Sales representatives are responsible for providing detailed price information within 1 workday after get your inquiry.