Model 1688A
20A 3-14V DC Power Supply
Price: $339 / 1 yr Warranty
DiscontinuedOct 31, 2012
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Overview
The 1688A has been replaced by the: 1688B
The B&K Precision Model 1688A is a high quality 3 to 14 Volt DC Power Supply primarily designed for bench powering of automotive and marine electronic equipment. The Model 1688A has a maximum output current proportional to the voltage setting, the maximum current of 20 amps available from 13.8 to 14 volts and is reduced to 4.5 amps at 3 volts. Two panel mounted meters continuously monitor the output voltage and current.
- 20 A guaranteed @ 13.8V
- Current limiting overload protection
- Over voltage protection
- Short circuit protection
- Reverse polarity protection
- Thermostatically controlled cooling fan
- Thermal protection
- Operates continuously at full load without overheating
- Connect two in parallel for more current
- Connect two in series for higher voltage
Accessories
5A Hook-Up Cable Set
TL 5A
- 4mm Banana plug to alligator clip
- 5A rating
- Black and Red pair
- 40" (1.0m) length
- MSRP: $15
Power Supply Test Leads Set
TLPS
This accessory kit combines safety and functionality. A must have for anyone who uses power supplies or loads.
- Medium and large insulated alligator clips
- Black and red components
- Sense lead included
| Description | Max current |
| Red and black test lead (120 cm) | 25 A |
| Spade lug adapters (6 & 4 mm) | 36 A |
| Standard alligator clips | 3 A |
| 4 mmBanana plug adapters | 36 A |
| Large insulated alligator clips | 36 A |
| Red and black sense leads (10 cm) | 3 A |
- MSRP: $69