Step 1: Collecting all the project data HENSEL checklist to design switchgear assemblies according to IEC 61439 / EN 61439 This editable checklist supports you in step 1 when collecting all data for the design of a distribution board on site. The checklist to design switchgear assemblies according to IEC 61439 / EN 61439 can be quickly and easily downloaded. It refl ects the determination of the correct design values for the four interfaces of the assembly. www.hensel-electric.de/61439 w w 9 Checklist to design switchgear assemblies in accordance with IEC 61439 / EN 61439 Request/Offer Hensel expert: ___________________________ Date: _______________ Client: Project: Name: Address: Phone:
E-Mail: 1. Installation and ambient conditions Type of business: ___________________________ Indoor/ambient temperature (°C): _______________ Installation - indoors: in the locked electrical operation room in production area - outdoors: protected outdoors unprotected outdoors Available wall surface in mm: Width: __________ Height: __________ Depth: __________ Assembly type: wall-mounted floor-standing Degree of protection: IP 44 IP 54 IP 55 IP 65 IP _______________ 2. Operation by skilled persons (electricians) by unskilled persons Doors/lids: opaque/without inspection pane transparent/with inspection pane _______________ 3.
Connection to the public power supply system Main distribution board: Outgoing device: ______________________ Transformer: Rated power (kVA): _____________________ Impedance uk (%): 4 6 Rated voltage _______________ V a.c. V d.c. _____ Hz __________ Rated current (A): _______ Conductor designation: L1, L2, L3 N PE PEN Protection class: I II Incoming device: __ ________________________ Connection incoming: from top from bottom from left from right _______________ copper aluminum with cable lug with terminal conductor single conductor cross section (mm²): _______________ 4. Electrical circuits and consumers Connection outgoing:
from top from bottom from left from right _______________ connected to device via terminal blocks cross section (mm²): _______________ Equipped with: Rated values of the Quan- Type of protective device consumer Comments tity (fuse, circuit breaker, ...) (current, power, ...) Consumer Consumer Consumer Consumer Consumer Gustav Hensel GmbH & Co.
KG ∙ Industrial Electrical Power Distribution Systems ∙ D 57368 Lennestadt ∙ Germany ∙ www.hensel-electric.de/61439 1.1 Installation and ambient conditions Page 10 1.2 Operation and maintenance Page 11 1.3 Connection to the public power supply system Page 12 1.4 Electrical circuits and consumers Page 13 Quan- tity Type of protective device (fuse, circuit breaker, ...) Rated values of the consumer (current, power, ...) Comments Consumer Consumer Consumer Consumer Consumer