Wago 2857-103

Empty housing

MPN: 2857-103
Category: Accessories

Price and lead time confirmed within 1 business day

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1We check stock, condition and lead time
2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
100% positive eBay feedback
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Have spare Wago parts? We buy surplus →

What is the Wago 2857-103?

Features:

picoMAX ® Female Connectors, with coding keys, 2-pole

Pre-assembled unit

Flexible conductor termination

Customizable connection levels

Various marking options available

Sealable, transparent cover

Commoning via jumpers (859-402)

Specifications

Electrical data

Permissible power loss (max.)

2 W

Electrical data - Ratings per IEC/EN 60664-1

Nominal voltage (III/3)	250 V
Rated impulse withstand voltage (III / 3)	4 kV
Rated voltage (III/2)	320 V
Rated impulse withstand voltage (III/2)	4 kV
Nominal voltage (II/2)	630 V
Rated impulse withstand voltage (II/2)	4 kV
Rated current	16 A

Electrical data - Ratings per UL 1059

Rated voltage UL (Use Group B)	300 V
Rated current UL (Use Group B)	15 A
Rated voltage UL (Use Group D)	300 V
Rated current UL (Use Group D)	10 A

Electrical data - Ratings per CSA

Rated voltage CSA (Use Group B)	300 V
Rated current CSA (Use Group B)	15 A
Rated voltage CSA (Use Group D)	300 V
Rated current CSA (Use Group D)	10 A

Connection data

Pole number	2
Number of levels	3
Number of jumper slots	0
Connection technology	Push-in CAGE CLAMP®
Solid conductor	0.2 … 2.5 mm² / 24 … 12 AWG
Fine-stranded conductor	0.2 … 2.5 mm² / 24 … 12 AWG
Fine-stranded conductor; with insulated ferrule	0.2 … 1.5 mm² / 24 … 16 AWG
Fine-stranded conductor; with uninsulated ferrule	0.2 … 2.5 mm² / 24 … 14 AWG
Strip length	9 … 10 mm / 0.35 … 0.39 inches

Physical data

Width	12.5 mm / 0.492 inches
Height	112 mm / 4.41 inches
Depth from upper-edge of DIN-rail	107 mm / 4.213 inches
Pin spacing	5 mm / 0.197 inches

Mechanical data

Mounting type

DIN-35 rail

Material data

Flammability class per UL94	V0
Housing material	PC
Clamping spring material	Chrome-nickel spring steel (CrNi)
Contact material	Electrolytic copper (ECu)
Fire load	1.606 MJ
Weight	66 g

Environmental requirements

Ambient temperature (operation)	-40 … +70 °C
Ambient temperature (storage)	-40 … +85 °C

Commercial data

Product Group	6 (INTERFACE ELECTRONIC)
PU (SPU)	10 pcs
Packaging type	Box
Country of origin	DE
GTIN	4050821561415
Customs tariff number	85472000900

Product Classification

UNSPSC	39,121,311
eCl@ss 10.0	27-18-27-02
eCl@ss 9.0	27-18-27-02
ETIM 9.0	EC001031
ETIM 10.0	EC001031
ECCN	NO US CLASSIFICATION

Environmental Product Compliance

REACH Candidate List Substance	Perfluorobutane sulfonic acid (PFBS) and its salts
RoHS Compliance Status	Compliant,No Exemption
SCIP notification number (Austria)	0af7c045-e7f0-49c4-ab13-95515a58b10b
SCIP notification number (Belgium)	8179037e-9b72-41d7-a5eb-29b7d01bb747
SCIP notification number (Bulgaria)	a39c1241-d109-4f77-9278-d8448c68b6ce
SCIP notification number (Czech Republic)	9ab81a97-288d-4182-8c69-db510d713a69
SCIP notification number (Denmark)	f0129db3-007b-48ff-8c20-dac1a9864bb8
SCIP notification number (Finland)	fc6017bd-d824-4873-8a98-706e4026f889
SCIP notification number (France)	f6daac7f-f386-4991-948b-506a96511318
SCIP notification number (Germany)	9b12d5fc-1866-486c-a888-3258f578fbb5
SCIP notification number (Hungary)	195b1d2c-c9c1-44d3-b000-ed2ae82a6811
SCIP notification number (Italy)	6af0cd4b-b2e7-4286-a5bd-00e12ed0e669
SCIP notification number (Netherlands)	6d68db97-6af0-4947-829b-53b489e55015
SCIP notification number (Poland)	34d059eb-b3d2-4b7a-84d2-89d6658fa921
SCIP notification number (Romania)	b55edcd4-355f-4e31-8394-3248b494f8c0
SCIP notification number (Sweden)	939f89b5-b233-48a8-aa1c-6efb49b2c4d4

2857-103: frequently asked questions

When can 2857-103 be shipped?

2857-103 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 2857-103 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 2857-103 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 2857-103, subject to availability and destination.