| Supply |
|---|
| Connection | Power Rail or terminals 14+, 15- |
| Rated voltage | 20 ... 30 V DC |
| Ripple | ≤ 10 % |
| Rated current | 45 ... 70 mA |
| Power dissipation | approx. 1.26 W |
| Input |
|---|
| Connection | terminals 1-, 2+, 3- |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see system description for electrical data |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms |
| Line fault detection | breakage I ≤ 0.15 mA |
| Output |
|---|
| Connection | output I: terminals 7, 8 ; output II: terminals 8, 9 |
| Output I, II | Signal I/II ; relay |
| Contact loading | 253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load; |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Mechanical life | 5 x 106 switching cycles |
| Collective error message | Power Rail |
| Transfer characteristics |
|---|
| Switching frequency | ≤ 10 Hz (non-AC operation) ≤ 3 Hz (AC operation) |
| Directive conformity |
|---|
| Electromagnetic compatibility | |
| Directive 89/336/EEC | EN 61326 |
| Conformity |
|---|
| Insulation coordination | EN 50178 |
| Galvanic isolation | EN 50178 |
| Electromagnetic compatibility | NE 21 |
| Degree of protection | IEC 60529 |
| Ambient conditions |
|---|
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Mechanical specifications |
|---|
| Degree of protection | IP20 |
| Mass | approx. 150 g |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) |
| Data for application in connection with hazardous areas |
|---|
| EC-Type Examination Certificate | ZELM 99 ATEX 0009 |
| Group, category, type of protection |  II (1)G [EEx ia] IIC |
| Directive conformity | |
| Directive 94/9/EC | EN 50014, EN 50020 |
