Specifications

The following specifications are typical for the range –40 to 85 °C unless otherwise noted.

Output Characteristics

Number of channels..........................

4 electromechanical relay

 

channels

Relay type .........................................

Single pole single throw

 

(SPST)

Power-on output state .......................

Channels off

Switching capacity (resistive load)

 

Switching voltage .......................

60 VDC max, 250 Vrms max

Switching current, per channel

 

One channel on ....................

4 A max at 30 VDC,

 

1 A max at 60 VDC,

 

4 A max at 250 Vrms

All channels on ....................

2 A max at 30 VDC,

 

1 A max at 60 VDC,

 

2 A max at 250 Vrms

© National Instruments Corp.

7 NI 9481E Operating Instructions and Specifications