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Datasheet generated 2026-10-07
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Supply and through module (857-979)

WAGO · Electrical Components · Terminal Blocks
Part Number
857-979  ·  HS 8543.70
Supply and through module (857-979)

WAGO 857-979 Manufacturer description: Supply and through module. Supply and through module.

Technical Specifications

Manufacturer part number (MPN)857-979
EAN / GTIN4050821088189
Sales unitpcs
Pollution degree2
Protection typeIP20
Connection technologyPush-in CAGE CLAMP®
Solid conductor0.08 … 2.5 mm² / 28 … 14 AWG
Fine-stranded conductor0.34 … 2.5 mm² / 22 … 14 AWG
Strip length9 … 10 mm / 0.35 … 0.39 inches
Width6 mm / 0.236 inches
Height94 mm / 3.701 inches
Depth from upper-edge of DIN-rail97.8 mm / 3.85 inches
Mounting typeDIN-35 rail
Insulation material (main housing)Polyamide (PA66)
Flammability class per UL94V0
Fire load0.363 MJ
Weight28.8 g
Ambient temperature (operation)-25 … +70 °C
Ambient temperature (storage)-40 … +85 °C
Temperature range of connection cable≥ (Tambient + 35 K)
Relative humidity5 … 95 % (no condensation permissible)
Operating altitude (max.)2000 m
Conformity markingCE
Standards/specificationsDNV
Product Group6 (INTERFACE ELECTRONIC)
PU (SPU)25 (1) pcs
Packaging typeBox
Country of originDE
Customs tariff number85437090300
UNSPSC39,121,410
eCl@ss 10.027-14-11-20
eCl@ss 9.027-14-11-20
ETIM 9.0EC000897
ETIM 10.0EC000897
ECCNNO US CLASSIFICATION
RoHS Compliance StatusCompliant,No Exemption
MPN857-979
Connectable conductor cross section solid-core0.08–2.5 mm²
Rated current In8 A
Type of electrical connection 1Spring clamp connection
Type of electrical connection 2Spring clamp connection
Connection positionAtop
Number of levels4
Number of clamp positions per level2
Mounting methodDIN rail (top hat rail) 35 mm
Material insulation bodyThermoplastic
Operating temperature-25–70 °C
Width/grid dimension6 mm
Depth96 mm
Length94 mm
Explosion-tested version 'Ex e'No
Closing plate requiredNo
ColourGrey
Internally connected stagesNo

Properties

MOQ1

Cross-References

Attached Documents