# 44491A Agilent Switch Card Used

**Additional Features:**

-   Maximum voltage (terminal-to-terminal or terminal-to-chassis) is 250 Vrms.
-   The maximum current (per channel) is 1.0 A DC or AC RMS.
-   The thermal offset is less than 3 µV.
-   The unit has a closed channel resistance (end of relay life) of less than 2 ohms and a maximum switching and measurement speed of 33 channels/second.
-   The unit is a plug-in for the Agilent 3457A Multimeter, sold separately.

The Agilent 44491A Armature Relay Multiplexer Assembly consists of eight 2-wire armature relay channels and two current/actuator channels.

## Details

- **Price:** 0.0 USD
- **Vendor:** Agilent
- **Type:** Card Swi
- **Tags:** Agilent, Agilent Keysight, Card, Manufacturers, Other Equipment, product_manual_group_1, Product_used, Switch

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 0.00 USD | In stock |

## Images

- 44491A Agilent Switch Card Used

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> Source: [ValueTronics](https://valuetronics.com/products/44491a-agilent-switch-card-used)
> Updated: 2026-05-21