View Full Version : Spang SCR Power Controller

Tom Ash
07-25-2013, 03:41 PM
It is a 652 series. Here are the specs from the Spang website (http://www.spangpower.com/).

652 Series - 1PH VAC / Zero Crossover

Phase (Frequency): Single Phase (50/60Hz)
Voltage Range:115 to 277VAC and 380 to 575VAC
Current Range: 15 to 1000 Amps AC
Control Mode: Synchronous Firing (Zero Crossover - Burst)
Reference Signal: 0-5mA, 2-12mA, 4-20mA, 10-50mA, 0-10VDC, 10K Pot
Shutdown Contact: Lockout (inhibits firing)
Transient Voltage Protection: RC snubber & metal oxide varistor (MOV)
Optional Features: RMS Current Limit, RMS Voltage Regulation
Available Accessories: Coordinated I2T fuse kits for semiconductor protection

I bought it used from Brad Shute several years back. I was going to build an electric furnace, but it's not going to happen. Email me at tom@prburner.com if you want to see pictures. $100 plus shipping.

Thanks, Tom