The Series Of KNF Process Control Signal Lightning Protection Gate Series - Ex
The safety type surge protector, Used in industrial control safety (the control room) two-wire and
four-wire system of secondary instrument protection.
·module structure, It is more convenient to maintenance
·Standard installation guide
.
KNF32S
The Principle Diagram Of The Function
Blast-resistant Certification.
National instruments explosion-proof safety supervision and quarantine station instruments (NEPSI) certification
·Explosion-proof marks: [ Ex ia Ga ] ⅡC
·The internal equivalent parameters: C.≈0μF; L.≈0.24mH
Technical Parameters
KNF | 07S | 16S | 32S | 55S | |
Nominal voltage | UN | 5V | 12V | 24V | 48V |
Max continuous operating voltage | Uc | 7V | 16V | 32V | 55V |
Nominal current | IN | 200mA | |||
Nominal discharge current(8/20μs) | In | 5KA | |||
Max discharge current(8/20μs) | Imax | 10KA | |||
Limit the voltage When LN | Up | ≦45V | ≦50V | ≦60V | ≦75V |
Transmission frequency | fG | 1MHz | |||
Insertion loss | Ae | ≦0.5db | |||
Response time | tA | ≦1ns | |||
Series resistance/wire | R | 2.7Ω | 4.7Ω | 10Ω | |
Working temperature | -10°C~+50°C | ||||
Protection level | IP20 | ||||
Install the wire section | Min 0.5 mm² single line/shares line Max 2.5 mm² single line/4mm² shares line | ||||
Mounting bracket | 35 mm standard guide | ||||
Typical applications | Thermal resistance, thermocouple, RS - 485 signal | Signal switch quantity, frequency signal, the RS - 232 signal | Two wire, four wire transducer, 4 ~ 20 ma (AI/AO four-wire system),bus system | 48 v system | |
The System Composition Diagram
Shippment:
We ship your order by sea or by air...
Our core principles
3S-Superiority,Speed,Service
Faster Speed & Better Tailor-made professional service
Our promise to customer:
Our products are all guaranteed,you will have no worry to use.
We will delivery the order strictly te order confirmed!
