Relay contact ratings (terminals 1-9 of tb1), Cbb contact ratings (terminals 10-12 of tb1) – Rockwell Automation 1608M MegaDySC User Manual, 800 - 2400 A User Manual

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Rockwell Automation Publication 1608M-UM002A-EN-P - September 2013

Chapter 3

Communications

Figure 6 - Schematic Diagram—Customer Contacts (TB1)

Relay Contact Ratings (Terminals 1-9 of TB1)

Relays ratings are:

110-277VAC

10A continuous, 16A short time

110-120VAC

1/3 hp max

220-250VAC

1/2 hp max

28VDC

10A continuous, 16A short time

Min. recommended load: 100mA @ 5VDC or 0.5 W

CBB Contact Ratings (Terminals 10-12 of TB1)

110-600VAC

6A

24-48 VDC

2.5A

125-250 VDC

0.5A

Remote Bypass Customer-Provided Contact Rating
(Terminals 14-15 of TB1)

The customer-provided contact must be rated for at least 120VAC. Coil power is
2 VA at 120 VAC (17 mA)

15

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10

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TB1

ALM-NC

ALM-C

ALM-NO

OK-NC

OK-C

OK-NO

SAG-NC

SAG-C

SAG-NO

CBB-NC

CBB-C

CBB-NO

Not used

120VAC

BP

K4

6A

F12

120VAC

BP Neut

CBB-NC

CBB-NO

K3-NC

K3-NO

K2-NC

K2-NO

K1-NC

K1-NO

Customer-provided contact:
Close to activate Bypass

}

}

}

}

ALARM

OUTPUT OK

SAG EVENT

CBB STATUS
(status as shown when

CBB is open/OFF)

CUSTOMER SIDE

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