Step 2: Design of an assembly and design verification Example: Checklist to design switchgear assemblies according to IEC 61439 / EN 61439 Collecting the data on-site with the checklist forms the basis to design a distribution board. Checklist to design switchgear assemblies in accordance with IEC 61439 / EN 61439 05.05.2016 Hoffmann Client: ‰ Request/Offer Hensel expert: ___________________________ Date: _______________ Project: Name: Address: Metal working shop Brands MusterstraЯe 10 50000 Musterstadt Extension to the production facility Section II Phone: E-Mail: info@ brands-metalworkingshop.de 1. Installation and ambient conditions Type of business:
___________________________ Indoor/ambient temperature (°C): _______________ Installation Metal working shop 25 - indoors: ‰ in the locked electrical operation room ‰ in production area - outdoors: ‰ protected outdoors ‰ unprotected outdoors X Assembly type: ‰ wall-mounted ‰ floor-standing Available wall surface in mm: Width: __________ Height: __________ Depth: __________ X 1500 1400 500 Degree of protection: ‰ IP 44 ‰ IP 54 ‰ IP 55 ‰ IP 65 ‰ IP _______________ 2. Operation ‰ by skilled persons (electricians) ‰ by unskilled persons X X Doors/lids: ‰ opaque/without inspection pane ‰ transparent/with inspection pane ‰ _______________ X X 3.
Connection to the public power supply system Transformer: Rated power (kVA): _____________________ Impedance u k (%): ‰ 4 ‰ 6 Main distribution board: Outgoing device: ______________________ Rated voltage _______________ ‰ V a.c. ‰ V d.c. ‰ _____ Hz ‰ __________ Rated current (A): _______ Conductor designation: ‰ L1, L2, L3 ‰ N ‰ PE ‰ PEN X X Circuit breaker 230/400 50 X X X 400 Incoming device: __ ________________________ Protection class: ‰ I ‰ II Connection incoming: ‰ from top ‰ from bottom ‰ from left ‰ from right ‰ _______________ ‰ copper ‰ aluminum X X ‰ with cable lug ‰ with terminal ‰ conductor ‰ single conductor cross section (mmІ): _______________ X 4x150/70 4.
Electrical circuits and consumers Connection outgoing: ‰ from top ‰ from bottom ‰ from left ‰ from right ‰ _______________ X X ‰ connected to device ‰ via terminal blocks cross section (mmІ): _______________ Equipped with: Gustav Hensel GmbH & Co. KG ∙ Industrial Electrical Power Distribution Systems ∙ D 57368 Lennestadt ∙ Germany ∙ www.hensel-electric.de/61439 Download editable checklist:
www.hensel-electric.de/61439 D w w 14 Quan- tity Type of protective device (fuse, circuit breaker, ...) Rated values of the consumer (current, power, ...) Comments Consumer 1 MCCB 200 A Machine I Consumer 1 MCCB 128 A Machine II Consumer 1 MCCB 128 A Internal fuse Consumer 1 RCBO 63 A Internal protection for MCBs Consumer 14 MCB 12 A Light and socket outlets