100 Amp 2-Space 2-Circuit Small Main Breaker Indoor Load Center Enclosures Type EQSiemens 100 Amp circuit breaker enclosure is indoor rated and provides space for two 1 in. spaces or four 1 2 in. spaces. The enclosure is provided with a surface mount cover. Breakers not included. This product is 1 Phase, 3 Wire SN. Circuit breaker enclosures range from 60 Amp to 225 Amp, indoor and outdoor model. Suitable for use as service entrance equipment Factory installed main breaker Indoor rated UL listed Features Item Weight 9. 896 Number