NF Merchandised Panelboards Accessories Class 1670 / Refer to Catalog 1670CT9601 Table 9.47: MODIFICATIONS (Single or Three Phase) Mains Ampacity Sub-Feed Lugsaf Feed-Thru Lugsaf Mains Ampacity Sub-Feed Circuit Breaker Kits ca (Circuit Breaker not Included) b Aluminum Copper Aluminum Copper Single Sub-Feed Circuit Breaker Twin Sub-FeedCircuit Breakers Catalog No. $ Price Catalog No. $ Price Catalog No. $ Price Catalog No. $ Price Catalog No. $ Price Catalog No. $ Price 125 N125SFL 111. N125SFLC 167. N125FTL 224. N125FTLC 336. 250 N250SFBJ 686. — — 250 N250SFL 142. N250SFLC 211. N250FTL 317. N250FTLC 477. 400 — — N600SFBJ 860. 400 N400SFL d 237. N400SFLC 355. N400FTL 338. N400FTLC 508. 600 — — N600SFBJ 860. 600 e — e — e — e — 800 FACTORY ASSEMBLED ONLY 800 e — e — e — e — N250SFBJ and N600SFBJ are for use with JDL, JGL, JJL and JLL circuit breakers. Table 9.48: Special Features Box Selection Table (Standard mechanical lugs only) Main Lugs Only Feature Sub-Feed Lugs Feed-Thru Lugs Sub-Feed Circuit Breaker No. of Ckts 12 18 30 42 54 12 18 30 42 54 30 42 54 Ampacity Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. Cat. No. 100/125 — MH26 MH32 — — — MH32 MH38 — — — — — 250 — — MH38 MH44 MH50 — — MH50 MH56 MH62 MH56 MH62 MH68 400 — — MH50 MH56 MH62 — — MH56 MH62 MH68 MH68 MH74 MH80 600 — — g g g — — g g g MH68 MH74 MH80 800 — — g g g — — g g g g g g Table 9.49: Vertical Main Circuit Breakeri Back-fed Main Circuit Breaker Feature