• Code-gauge steel enclosure • Single phase, 3 wire, solid neutral, 8 spaces and 16 circuits maximum 1-pole, 4 QP breakers maximum 2-pole, 120/240 volt • 10,000 AIR • One piece plated aluminum bus bar • 100 percent circuit breaker twistouts • Positive load sidecircuit breaker hook rail • Suitable for use as service entrance equipment when a main breaker (125 amp maximum) is back-fed in branch position and used with main breaker retainer clip No.MBR1 • When used as service equipment, any unused neutral position may be used for equipment grounding • Rotate entire device 180 degrees for bottom feed • Gray enamel finish • 12-3/8 x 14-3/4 x 3-7/8 • UL Listed, complies fully with NEC and UL requirements for Class CTL. • Amp Rating=125