ST2+3 (DM) - terminal block
DMJ-012/2-RS
Order number: A05144
coupling impedance (resistance), screw terminals
- coarse and fine surge protection for two 1-core signalling networks
- installation close to protected equipment
- for protection of communication interfaces and control circuits of I&C, electronic security and fire detection systems, etc. against impact of surge voltage
- coarse and fine surge protection in common mode (core – PE)
Technical parameters
| Parameter name | Parameter value | |
|---|---|---|
| Type of SPD | C2,C3 | |
| Location of SPD | ST 2+3 | |
| Mounting | DIN rail 35 mm | |
| Nominal voltage | Un | 12 V DC |
| Maximum operating voltage | Uc | 11.00 V AC |
| Maximum operating voltage | Uc | 16.00 V DC |
| Nominal load current | IL | 0.500 A |
| Treshold frequency core-core | f | 2.00 MHz |
| Serial resistance per core | R | 1.60 Ω |
| D1 impulse discharge current (10/350 µs) per core | Iimp | 0.50 kA |
| D1 total discharge current (10/350 µs) cores-PE | ITotal | 1.00 kA |
| C2 nominal discharge current (8/20 µs) per core | In | 5.00 kA |
| C2 total discharge current (8/20 µs) cores-PE | ITotal | 10.00 kA |
| C2 voltage protection level mode core-PE at In | Up | 40 V |
| C3 voltage protection level mode core-PE at 1 kV/µs | Up | 20 V |
| Response time core-PE | ta | 1 ns |
| Connection (input - output) | terminals-terminals | |
| Cross-section of connected conductors solid (min) | 0.14 mm2 | |
| Cross-section of connected conductors solid (max) | 4.00 mm2 | |
| Cross-section of connected conductors stranded (min) | 0.14 mm2 | |
| Cross-section of connected conductors stranded (max) | 2.50 mm2 | |
| Degree of protection | IP 20 | |
| Range of ambient temperatures (min/max) | -40 / 70 °C | |
| According to standard | EN 61643-21+A1,A2:2013, IEC 61643-21+A1,A2:2012 | |
| ETIM Class | EC001625 | |
| Customs tariff number | 85363010 | |
| EAN | 8595090551447 |
Files for download
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Product dimensions
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Basic circuit diagram
