Check the listing for details. Agilent/HP 34903A 20-Channel Actuator General Purpose Module for 34970A Working. Condition: Used. Listed at 99.95 USD. HP 34903A 20-Channel Actuator General Purpose Module for 34970A Tested and WorkingThis general-purpose switch module has 20 independent single-pole, double-throw (SPDT) relays. Use it to cycle power to products under test, control indicator and status lights, and to actuate external power relays and solenoids. Combine it with matrix and multiplexer modules to build custom switch systems. Its 300 V, 1A contacts can handle up to 50 W, enough for many power line switching applications. Features 20-channel Actuator/GP SwitchSPDT (Form C) latching relays300 V, 1 A actuation and control Payment:Payment must clear before shipping. Shipping On This Item: Shipping & Handling can be calculated using the shipping calculator. Shipping address must match "bill to" address. Return Policy: This item may be returned within 30 days from the date you receive your order for refund of sale price. Shipping & Handling fees are non-refundable. Feedback Policy: When the customer is satisfied with a purchase and leaves positive feedback then we are more than happy to leave feedback in kind. Please contact us FIRST if there is a problem or concern.