NI 9485 8-Ch, ±60 VDC, 750 mA SSR C Series Module (779600-01)

8-Channel, SSR Relay, 60 VDC/30 Vrms, 750 mA C Series Relay Output Module
The NI-9485 allows for direct connection to a wide array of industrial devices such as motors, actuators, and DC devices. Each channel provides access to a solid state relay (SSR) for switching voltages up to 60 VDC/30 Vrms with switching current up to 750 mA per channel or up to 1.2 A on four channels. Each channel also features channel-to-channel isolation.

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Key product
Output Characteristics
Number of channels

  • 8 digital output channels

Relay type

  • Normally open solid-state relay (SSR)

Switching voltage

  • 60 V DC maximum, 30 V rms maximum

Switching current, per channel[1]

  • All channels
  • 0.75 A maximum

Up to four channels

  • 1.2 A maximum

Switching rate (90% duty cycle)

  • 1 operation per second

Relay open time

  • 0.5 ms, typical

Relay close time

  • 9.0 ms, typical

On resistance

  • 200 mΩ maximum

Off stage leakage

  • 30 μA, typical

MTBF

  • 2,172,740 hours at 25 °C; Bellcore Issue 6, Method 1, Case 3, Limited Part Stress Method

Environmental Characteristics
Temperature
Operating

  • -40 °C to 70 °C

Storage

  • -40 °C to 85 °C

Humidity
Operating

  • 10% RH to 90% RH, noncondensing

Storage

  • 5% RH to 95% RH, noncondensing

Ingress protection

  • IP40

Pollution Degree

  • 2

Maximum altitude

  • 5000 m

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