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© National Instruments Corporation

Figure 6.  SCC-CO20 Dimensions

Weight .................................................... 28 g (1.0 oz)

I/O connectors ........................................ One 20-pin right-angle male 

connector
One 3-pin screw terminal

Field-wiring diameter............................. 28 to 16 AWG

(Signal + common-mode) each input should remain within 42.4 V

peak

 or 

60 VDC of ground.

Maximum working voltage refers to the signal voltage plus the CMV.

Channel-to-earth (inputs) ....................... 42.4 V

peak

 or 60 VDC, 

Measurement Category I

This device is rated for Measurement Category I and is intended to carry signal 

voltages no greater than 42.4 V

peak

 or 60 VDC. Do not use this device for connection to 

signals or for measurements within Categories II, III, or IV.

Channel-to-earth isolation

Continuous ...................................... 60 VDC,

Measurement Category I

Withstand ........................................ 2300 V

rms

 verified by a 5 s 

dielectric withstand type test

1.87 cm 

(0.74 in.) 

7.93 cm 

(3.12 in.) 

3.55 cm 

(1.4 in.)