Appendix a specifications, Appendix a, specifications, Sted in appendix a, specifications – National Instruments SCXI-1161 User Manual
Page 39: Specifications, Channel rating
© National Instruments Corporation
A-1
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.