| Outputs per Module |
32 (4 groups of 8) |
| Module Location |
1771-A1B through -A4B, and 1771-AM1, -AM2 I/O Chassis |
| Voltage Rating |
24-138V AC (rms); 24-125V DC |
| Current Rating |
Max. per Output: 1A (derate linearly 0.033A/°C above 45°C) |
|
Max. per Module: 12A (derate linearly 0.4A/°C above 45°C) |
|
Max. per Group: 4A (derate linearly 0.133A/°C above 45°C) |
| Surge Current |
1A (maximum) per output (at rated power) |
| Power Rating |
DC: 30W per output (resistive) maximum |
|
AC: 30W per output (resistive) maximum |
| Minimum Contact Load |
10mA |
| Operate/Release Time |
5ms (±1ms) typical |
| Bounce Time |
1ms (maximum) |
| Switching Frequency |
10Hz (maximum) |
| Power Dissipation |
All relays OFF: 15mW; All relays ON: 12.5W (maximum) |
| Thermal Dissipation |
All relays OFF: 0.05 BTU/hr; All relays ON: 42.75 BTU/hr (maximum) |
| Backplane Current |
2.5A maximum; 1.8A nominal |
| Isolation Voltage |
1000V between open contacts |
|
1500V between coil and contact |
| Interconnect Cable Length |
1000 ft. (304.8 meters) maximum |
| Conductors / Wire Size |
14 gauge (2mm²) stranded (maximum); 3/64 inch (1.2mm) insulation (maximum) |
| Environmental Conditions |
Operating Temperature: 0°C to 60°C (32°F to 140°F) |
|
Storage Temperature: -40°C to 85°C (-40°F to 185°F) |
|
Relative Humidity: 5% to 95% (without condensation) |
| Keying |
Between 6 and 8 |
| Field Wiring Arm |
Catalog Number 1771-WN |
| Wiring Arm Screw Torque |
7-9 inch-pounds |
| Agency Certification |
CSA certified, CSA Class I, Division 2, Groups A, B, C, D certified, UL listed, CE marked for all applicable directives |
| Installation Data Number |
1771-5.38 |
