Model CBS-I. A low-cost power supply designed for teaching. Will run 2 gel boxes simultaneously. Has 3 constant-voltage settings for electrophoresis runs of overnight, 2 hr, and 45 min for most mini-gel boxes. Durable aluminum case with a lighted on/off power switch has 3-wire cord with ground. Uses 0.5-A fuse. Input: 110- or 220-V AC; output: max 200 mA. Voltage: 15, 85, and 130 V per channel.

* 213672 is for U.S. customers.

* 213672B is for international customers.