AutomationDirect Logo Pushbuttons Frequently Asked Questions

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Question What are the electrical ratings for the contacts on the HT8 30mm pushbuttons contact blocks?
Answer The contact ratings for the HT8 30mm pushbutton contact blocks are: UL (NEMA) rated AC A600, DC P600. Scroll down to see the table below:
VOLTS AC
50 or 60
HZ		 VOLTS DC
(1)
DESCRIPTION 120 240 480 600 125 250 600
MAKE AND EMERGENCY
INTERRUPTING CAPACITY (AMPS)		 60 30 15 12 1.1 0.55 .02
NORMAL LOAD BREAK (AMP) 6 3 1.5 1.2 1.1 0.55 .02
THERMAL CURRENT (AMP) 10 10 10 10 5 5 5
VOLTAMPERES:
MAKE AND EMERGENCY
INTERRUPTING CAPACITY		 7200 7200 7200 7200 138 (2) 138 (2) 138 (2)
NORMAL LOAD BREAK 720 720 720 720 138 138138

NOTE 1: DC RATINGS DO NOT APPLY TO NOEM (NORMALLY OPEN EARLY MAKE) AND NCLB (NORMALLY CLOSED LATE BREAK CONTACT BLOCKS HT8C AND HT8D.
NOTE 2: MAXIMUM MAKE OR BREAK VOLT-AMPERES AT 300V OR LESS.

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This item was last updated on 03-26-2004
Document ID: 1028

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