... and ISO 9001:2000 4.High quailty manufactor 1250A fixed contact 49*72 (82) 1.1250A high quality electrical fixed ... :2000 5.High quality manufactor, punctual delivery.1.name: fixed contact.2.rated current: 400A, 630A, 1000A, 1250A, 2000A, 3150A, 4000A ... .3.contact material: copper.4.surface treatment: thick silver-plated, discoloring proof ...