The 3VA2063-5HL42-0AA0 is the straight‑forward choice when you need 4‑pole switching with basic electronic protection and don't want to pay for communication or ground‑fault features. Its ETU320 trip unit covers overload and instantaneous short‑circuits – nothing more, nothing less. The screw‑flat connectors (nut keeper kit) give you a solid, vibration‑proof link to busbars or heavy lugs.

Protection in detail

• Overload (L): Ir adjustable 25…63 A, I²t curve, time delay 0.5…17 s.
• Instantaneous (I): Ii 1.5…12 × In (95…756 A).
• Neutral: Can be switched off or set to 100% of In.
• No Isd, no G‑fault, no comms – keeps life simple and cost low.

Technical specs at a glance

• Rated insulation voltage Ui: 800 V AC
• Rated operation voltage Ue: 690 V AC
• Ultimate breaking capacity Icu @415 V: 55 kA (Class M)
• Service breaking capacity Ics: 55 kA; Making capacity Icm: 121 kA
• Mechanical life 25 000 ops, electrical 15 000 ops @415 V
• Front protection IP40, connections IP20
• Weight: 2.278 kg
• Standard: IEC/EN 60947-2; Origin: Czech Republic

Installation & typical use

• Snaps on 35 mm DIN rail; screw‑flat terminals accept busbars and heavy cables.
• Fits standard distribution boards, motor control centres, generator panels – anywhere you want solid 4‑pole protection without extra features.