Allen-Bradley 1771-OWN, Installation Instructions Manual, Page: 8 / 8

Specifications
8 Selectable Contact Output Module Cat. No. 1771-OWN
Publication 17715.37 - October 1995
Outputs per module 32 (4 groups of 8)
Module Location 1771A1B thru A4B or later, 1771AM, AM1 I/O Chassis
Voltage Rating 24 138V ac rms; 24 125V dc
Current Rating
1
Max. per channel
Max. per module
Max. per group
1A continuous (derate linearly 0.033A/
o
C above 45
o
C)
12A (derate linearly 0.4A/
o
C above 45
o
C)
4A (derate linearly 0.133A/
o
C above 45
o
C)
Surge Current 1A (max) per output (at rated power)
2
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 (max)
Switching Frequency 10Hz (max)
Power Dissipation All relays off: 15mW; All relays on: 12.5W (max.)
Thermal Dissipation All relays off: 0.05 BTU/hr; All relays on: 42.75 BTU/hr (max.)
Backplane Current 2.5A maximum; 1.8A nominal
Isolation Voltage Isolation meets or exceeds UL Standard 508, and CSA Standard
C22.2 No. 142.
Interconnect Cable Length 1000 ft. (304.8 meters)
Conductors Wire Size
Category
14 gauge (2mm
2
) stranded (max)
3/64 inch (1.2mm) insulation (max)
1
3
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity
0 to 60
o
C (32 to 140
o
F)
40 to 85
o
C (40 to 185
o
F)
5 to 95% (without condensation)
Keying Between 6 and 8 and Between 16 and 18
Field Wiring Arm 1771WN
Wiring Arm Screw Torque 79 inchpounds
Agency Certification
(when product or packaging is marked)
•
CSA certified
•
CSA Class I, Division 2, Groups A, B, C, D certified
•
UL listed
• CE marked for all applicable directives
1
Spikes, peaks and surges must be within the power rating. Resistive loads only. ac and dc power = 30W max.
2
Surge limiting circuitry is not provided in the module. For reliable operation, the user must ensure that surges do not exceed either the voltage or
current rating of the module.
3
You use this conductor category information for planning conductor routing as described in the systemlevel installation manual.
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AllenBradley Headquarters, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 3822000 Fax: (1) 414 3824444
Publication 17715.37 - October 1995 PN955123-94
Copyright 1995 AllenBradley Company, Inc. Printed in USA