National Instruments DAQ SCXI-1161, User Manual, Page: 39 / 60

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National Instruments Corporation A-1 SCXI-1161 User Manual
Appendix
A
Specifications
This appendix lists the specifications for the SCXI-1161. These are
typical at 25° C and 50% humidity unless otherwise stated. The
operating temperature range is 0° to 50° C.
Channel Rating
Maximum switching capacity (resistive load)
1
AC ...............................................8 A at 125 VAC
6 A at 250 VAC
DC ...............................................5 A at 30 VDC
Switching current ................................8 A maximum per channel
50 A maximum per module
Channel on resistance .........................175 m
Ω
Contact material..................................Silver alloy
Life
2
Mechanical (at 180 cpm) ..............10
7
operations minimum
Electrical (at 20 cpm) ...................10
5
at rated load
Isolation
Terminal to terminal and
terminal to earth ...........................250 V
rms
3
Maximum speed..................................20 cpm at maximum load
180 cpm at no load
1
If you operate the module at high currents, later operation at low currents may not be possible.
2
Relays are subject to normal wear based on the number of operations.
3
Module tested following the UL 3111 and IEC 1010 standard for voltage installation category II for reinforced
or double insulation.