URB220 Internal relay buffer for Heathkit SB220 and other positive relay systems
USD 39.00 USD
Specifications
| Brand | CTR Engineering |
| Type | Relay buffer |
| Model | URS-SB220 |
| Country Of Origin | United States |
You will never grab a wrong cable or jack and ruin a radio. Everything out of the SB220/HL2200 or whatever you have will be just a few volts DC positive at a few mA current, safe for any radio. This unit is ready to fit into any 120V + dc relay coil amplifier.
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