100% Original MTL3043 DC ISOLATOR, 1/40mA for fire and smoke detectors In Good Price In Stock
MTL3043 DC ISOLATOR, 1/40mA for fire and smoke detectors.The MTL3043 is similar in principle to the MTL3042, but with a higher current range for use primarily with fire and smoke detectors or similar
The MTL3043 is similar in principle to the MTL3042, but with a higher current range for use primarily with fire and smoke detectors or similar high integrity switched-resistor systems. In these applications the unit shows, by a change in the safe-area current, when one of the detectors across the 2-wire circuit in a hazardous area has been triggered. With a suitable receiving instrument in use, line short circuits do not give a false alarm and – if an end-of-line resistor is added to the system – open circuits do not give the operator a false sense of security. Further, the isolation feature eliminates the multiple earths that can arise in conventional barrier systems when the supply is earthed, and permits earth faults in field wiring to be detected and cured while the unit continues working.
SPECIFICATION of MTL3043
See also 'Common specification'
Number of channels
One, fully floating
Location of fire & smoke detectors
Zone 0, IIC, T4–6 hazardous area if suitably certified
Div 1, Group A, hazardous location
Input voltage
6 to 35V dc
Input and output signal range
1 to 40mA, nominal
Minimum output voltage
Vin minus (0.42 x current in mA) minus 1V, Vin <24V
23V minus (0.42 x current in mA) Vin >24V
Safety description
28V, 300Ω, 93mA, Um = 250V rms or dc
FM max entity parameters
Voc = 28V, Isc = 93mA, Ca = 0.13µF, La = 4.0mH
Weight
130g
OTHER APPLICATIONS OF MTL3043
The MTL3043 can also be used for driving I/P converters in many closed-loop applications, especially those with integral control, where its lower accuracy is acceptable.
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MTL3052
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MTL3011
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Windy Wang
HONGKONG XIEYUAN TECH CO., LIMITED
Add: 7-A16,Caishen Commercial Plaza,Hankou Railway Station,Wuhan,China
Tel: +86-27-8588 3233 | Fax:+86-27-8530 9780 | Mobile/Whatsapp :+86 15972199006 | Skype: windy@hkxytech.com
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