Technical Section WAGO

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Tip-bonded conductor Ultrasonically bonded conductor Crimped pin terminal (gas-tight), preferably made cop- per with tin-plated surface Tin-plated copper ferrule (gas-tight crimped) II.9 15. Under normal operating conditions, direct clamping (i.1. .00 60999-1:2000/ IEC 60999-1:1999, Section 7. In accordance with DIN VDE 0611, Part 4, 02.1) requires that: Clamping units must able connect unprepared conductors. WAGO rail-mount terminal blocks offer differ- ent solutions increase the number of clamping points.1 2/0 11.57 300 23.64 12.05 – 400 19.01 150 16. Occasionally, conductor anti-splaying pro- tection may required, including various methods (see illustrations below). • Each conductor clamped independently.08 To defined the corresponding product standard 70 13.08 17. Special requirements apply only special application areas exposed extremely cor- rosive atmospheres.22 120 14.e.03 Dimensions for Class flexible conductors only (IEC 60228 A) NOTE: The diameters the largest rigid and flexible conductors are based Table and Table IEC A/IEC 60228 and ASTM B172-71 [1], IECA Publication S-19-81 [2], IECA Publication S-66-524 [3], well IECA Publi- cation S-66-516 [7] for AWG conductors.9, multi-level distribution rail-mount terminal blocks must dimen- sioned that single (solid, stranded or fine-stranded) conductor the nominal cross section can connected each ter- minal point. Ferruled conductor cross sections specified for individual products are based WAGO’s Variocrimp square crimping technology. • Any conductor size combination can be connected. This WAGO principle the basis for number of other technical and economic advantages: • Each conductor may terminated or removed without affecting previously con- nected conductors. Other VDE, and IEC specifications also recommend the connection only one con- ductor per clamping unit, unless the clamping unit specifically tested and approved for the connection several conductors, for example: VDE 0609, Part 12.6. In this case, recommend using either solid copper conductors fine-stranded copper conductors with properly crimped, tin-coated copper ferrules copper pin terminals.34 19.1. Crimping prevents ingress aggressive atmospheres (depending the ppm con- centration), which can diffuse into the con- ductor bundle along the individual strands and deposit between individual strands and the clamping point. One conductor per clamping unit therefore recommended meet the safety require- ments these relevant specifications. The most common way branching one conductor into two three conductors.12 61439- 1:2011 IEC 61439-1, Section 8. One Conductor per Clamping Unit A number DIN VDE, EN, IEC directives mandate recommend that only one con- ductor must connected per clamping unit.48 185 350 18.6 500 21.17 13.16 22.3 VDE 0113, Part 06.54 15.1 600 23.68 26.2 300 16. Per IEC 60999-2, Table 1: Rated Cross- Section Theoretical Largest Conductor Diameter Connectable Conductor Metric AWG/kcmil Rigid Stranded Fine- Stranded a) Gauge Rigid Stranded Fine- Stranded mm² Rigid Flexible 50 9.8 20.1.54 95 12.1 3/0 12. • Where re-wiring required, only the con- ductor changed removed from the clamping point, all other conductors remain safely clamped.5 www. Anti-splaying methods require terminal block one size larger than the nominal cross section the conductor terminated.1 VDE 0660, Part 600, 06.33 – 4/0 14. WAGO offers and 4-conductor terminal blocks, making additional jumpers unneces- sary. Gas-tight, crimped twin ferrules may used, provided the ferrule inserted all the way into the clamping unit and that there suf- ficient clearance and creepage distance between adjacent potentials., directly connecting conduc- tor the terminal block’s current bar) pro- vides optimal contact quality, because all risk factors arising from anti-splaying methods are prevented.91, Section 3.5 250 15.wago.82 30.com WAGO Rail-Mount Terminal Block Systems Technical Information The IEC 60999-1/EN 60999-1/VDE 0609-1 Specification (Section 7.1 1/0 9.42 24. As with solid copper conductors, the fine strands are crimped into dense inner core.07 60204-1:2006 / IEC 60204-1:2016, Section 13.05 240 20