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Rockwell Automation 1763 MicroLogix 1100 Programmable Controllers User Manual User Manual

Page 171

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Publication 1763-UM001D-EN-P - March 2011

Specifications 169

Relay Contact Ratings (1762-OW8, 1762-OW16, and 1762-IQ8OW6)

Maximum
Volts

Amperes

Amperes
Continuous

Volt-Amperes

Make

Break

Make

Break

240V AC

7.5 A

0.75 A

2.5 A

(2)

(2) 1.5A above 40 °C (104 °F).

1800 VA

180 VA

120V AC

15 A

1.5 A

2.5 A

(2)

1800 VA

180 VA

125V DC

0.22 A

(1)

(1) For DC voltage applications, the make/break ampere rating for relay contacts can be determined by dividing 28

VA by the applied DC voltage. For example, 28 VA/48V DC = 0.58A. For DC voltage applications less than 14V,
the make/break ratings for relay contacts cannot exceed 2A.

1.0 A

28 VA

24V DC

1.2 A

(3)

2.0 A

Relay Contact Ratings 1762-OX6I

Volts (max.) Continuous

Amps per Point
(max.)

(1)

(1) The continuous current per module must be limited so the module power does not exceed 1440VA.

Amperes

(3)

(3) 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.

Voltamperes

Make

Break

Make

Break

240V AC

5.0 A

15 A

1.5 A

3600 VA

360 VA

120V AC

7.0 A

(2)

(2) 6 A in ambient temperatures above 40 °C (104.°F)

30 A

3.0 A

125V DC

2.5 A

0.4 A

50 VA

(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

(2)

7.0 A

168 VA

(4)