The SIEMENS 3RT1016-1AN21 power contactor operates smoothly and reliably; moreover, it ensures safe motor switching. Additionally, it manages 4KW at 400V; furthermore, it supports 9A AC-3 duty. Meanwhile, the 220VAC coil delivers steady control; likewise, response remains fast. Similarly, the 3-pole layout improves performance; consequently, system stability increases. Besides, the 1NC auxiliary aids signaling; therefore, monitoring becomes easier. However, the compact housing saves space; thus, installation is quick. Also, durability stays high; meanwhile, maintenance reduces. Next, compatibility enhances panel design; afterward, productivity rises. Finally, it fits industrial automation needs. Features of the SIEMENS 3RT1016-1AN21 Power Contactor: Trusted Siemens quality 3-pole switching design Stable 220VAC coil Compact DIN-rail mount Long electrical life Specification: Model: 3RT1016-1AN21 Coil voltage: 220VAC Power: 4KW @ 400V Current: 9A (AC-3) Contacts: 3P, 1NC Uses: Motor starters Control panels Industrial machinery Automation systems Package includes: 1x SIEMENS 3RT1016-1AN21