suitable for multi N/C systems equipped with HT 1300 furnace suitable for multi EA 4000 systems equipped with HT 1500 furnace (till S/N: N4-361/R) suitable for multi EA 2000 and multi 4000 systems without TIC module automatic Attention: Not suitable for multi EA 4000 systems equipped with HTS 1500 furnace. suitable for multi N/C systems equipped with HT 1300 furnace suitable for multi EA 4000 systems equipped with HT 1500 furnace (till S/N: N4-361/R) suitable for multi EA 2000 and multi 4000 systems without TIC module automatic Attention: Not suitable for multi EA 4000 systems equipped with HTS 1500 furnace.