Rockwell Automation 1762-Lxxxx MicroLogix 1200 Programmable Controllers - Manual (Page 106)

Publication 1762-UM001G-EN-P - March 2011
A-14 Specifications
Relays Used vs. Maximum Current per Relay (24V dc) 1762-OX6I
Table A.17 Relay Contact Ratings 1762-OX6I
Volts (max.)
Amperes
(1)
(1) Surge Suppression – Connecting surge suppressors across your external inductive load will extend the life of
the relay contacts. For additional details, refer to Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1.
Continuous
Amps per Point
(max.)
(2)
(2) The continuous current per module must be limited so the module power does not exceed 1440VA.
Voltamperes
Make Break Make Break
240V ac 15 A 1.5 A 5.0 A 3600VA 360VA
120V ac 30 A 3.0 A
7.0 A
(3)
(3) 6 A in ambient temperatures above 40 °C (104 °F)
125V dc 0.4 A 2.5 A
50VA
(4)
(4) DC Make/Break Voltamperes must be limited to 50 VA for DC voltages between 28V dc and 125V dc.
DC Make/Break Voltamperes below 28V dc are limited by the 7 A Make/Break current limit.
24V dc 7.0 A
7.0 A
(3)
168VA
(4)
Table A.18 Module Load Ratings 1762-OX6I
Volts (max.) Controlled Load (Current) per Module (max.)
240V ac 6 A
120V ac
12 A
(1)
(1) Current per relay limited to 6 A at ambient temperatures above 40 °C (104 °F).
125V dc 11.5 A
24V dc
30 A
(2)
(2) 24 A in ambient temperatures above 40 °C (104 °F). Limited by ambient temperature
and the number of relays controlling loads. See diagram below.
1 2 3
3
4
5
6
7
8
4 5 6
Number of Relays Controlling Loads
Maximum
Curr
ent per Relay
(A
mps
)
Ambient Temperature
below 40°C
Ambient Temperature
above 40°C