Customization: | Available |
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Task: | Adjust |
Structure: | Combination |
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Audited by an independent third-party inspection agency
1. NPEXB-G512 supplies power to small power consumption intrinsically safe apparatus in hazardous area by controlling dry contacts, collector signal.
2. They are applicable to such intrinsically safe apparatus as solenoids and audible alarms.
3. The input, output, and power supply, 3 terminals are galvanically isolated from each other.
4. They have signal fault self-diagnosis function, and has the advantages of high reliability, quick response, and can be used with all kinds of instruments, DCS and PLC.
Explosive-proof grade: [Ex ia Ga]IIC |
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Input |
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Permissible input signal from hazardous area |
Dry contact or collector signal |
Output | |
Output signal to safe area | Solenoids or audible alarms driven by digital output |
Minimum output voltage |
11.25V |
Maximum output voltage |
21.5V |
Output current limit |
45mA |
Other Parameters | |
Power supply | 18V DC~32V DC (Recommended voltage: 24V DC) |
Power consumption | 1.8W (24V power supply, single output) 3.5W (24V power supply, double output) |
Dielectric strength: (1mA leakage current, 1 minute test time) |
≥3000V AC (between Intrinsically safe and Non intrinsically safe); ≥1500V AC (between Non intrinsically safe and Non intrinsically safe); |
Insulation resistance | ≥100MΩ (between input-ouput-power) |
EMC | IEC61326-3 |
Ambient Conditions |
Operating temperature range: -20~+60ºC |
Relative humidity: 10%~90%RH (40ºC) | |
Operating atmosphere pressure: 80~106kPa | |
Storage and delivery temperature: -40~+80ºC |
Parameters certified by China National Quality Supervision and Test Centre for Explosion Protected Electrical Products (CQST)
Um=250V AC/DC; Between terminal 1&2,3&4; Uo=25.2V, Io=117mA, Po=738mW
IIC | IIB | IIA | |
Co | 0.107μF | 0.82μF | 2.9μF |
Lo | 1.5mH | 4.5mH | 12mH |
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