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ES400CL

4-20 mA current loop protection


ES400 is a family of electronic static protections design to protect the 24 Vac/dc power supply lines, 230Vac power supply lines and 4 - 20 mA current loops. They are widely used to protect against overvoltage or power surges either signal acquisition instrumentation or field transducers.

Order code :   ES400CL
Description:   4-20 mA current loop protection
Rated voltage:   <35 Vdc supply for 4-20mA current loop
Operating voltage:   47 V(rms) ( wire to wire )
Discharge voltage:   90 V ( wire to wire and wire to ground)
Discharge current:   > 5000 A
Breaking capability:   1500 A
Loop voltage drop:   approx. 2.2 Vdc
Size:   1 module DIN 90 x 18.5 x 73 mm
Weight :   approx 150 g

ES400HV

230 Vac power line protection


ES400HV is an electronic static protection for 220 Vac devices main lines . It is widely used to protect the all measure or control instrumentations against overvoltages or power surges.

Order code :   ES400HV
Description:   230 Vac power line protection
Rated voltage:   220 Vac lines (±15%)
Operating voltage:   275 V(rms) (wire to wire)
Discharge voltage:   470 V (wire to wire and wire to earth )
Discharge current:   > 5000 A
Breaking capability:   1500 A
Max load:   6,3 A
Size:   90 x 36 x 73 mm
Weight:   200 g approx

ES400LV

35 V power line protection


ES400LV is an electronic static protection for 24 V devices main lines. ES400LV is widely used to protect all measure or control instrumentations against overvoltages or power surges.

Order code :   ES400LV
Description:   35 V power line protection
Rated voltage:   low voltage lines up to 35Vdc/ac (±15%)
Operating voltage:   47 V(rms) (wire to wire)
Discharge voltage:   9 0V (wire to wire and wire to earth)
Discharge current:   > 5000 A
Breaking capability:   1500 A
Max load:   1 A
Size:   90 x 18.5 x 73 mm
Weight:   150 g approx

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