©
National Instruments Corporation
5
TB-2725 Terminal Block
Specifications
All specifications are typical at 25 °C unless otherwise specified.
Electrical
Coupling................................................. DC
1
Terminal wire size.................................. 16 to 26 AWG
Field-wiring connectors
Number of screw terminals............. 16
Earth ground lugs............................ 1
Strain relief ..................................... Strain relief at
terminal-block entrance
Mechanical
Dimensions............................................. 10.4
×
8.9
×
1.8 cm
(4.1
×
3.5
×
0.7 in.)
Weight .................................................... 285 gm (10 oz)
Maximum Working Voltage
Maximum working voltage refers to the signal voltage plus the
common-mode voltage.
Channel-to-earth..................................... 42.4 V
peak
, 60 VDC,
Measurement Category I
Channel-to-channel ................................ 42.4 V
peak
, 60 VDC,
Measurement Category I
Environmental
Operating temperature............................ 0 to 50 °C
Storage temperature ............................... –20 to 70 °C
Humidity ................................................ 10 to 90% RH, noncondensing
Maximum altitude .................................. 2,000 meters
Pollution Degree (indoor use only) ........ 2
1
In instrumentation terminology,
DC coupling
means that both DC and AC signals are passed.