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Datasheet generated 2026-10-07
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Contact Block 3S1TO (31DILE)

Eaton · Electrical Components · Contactor Accessories · Ireland · eaton.com
Part Number
31DILE  ·  HS 8538.90
Contact Block 3S1TO (31DILE)

Eaton 31DILE Auxiliary Contact 3NO+1NC.

Technical Specifications

Manufacturer part number (MPN)31DILE
EAN / GTIN4015080489122
Sales unitpcs
Package quantity5 pcs
Eaton catalogue number048912
Depth36 mm
Height32 mm
Width45 mm
Weight0.04 kg
CertificationsCSA Class No.: 3211-03; CSA-C22.2 No. 14-05; CE; IEC/EN 60947; VDE 0660; UL 508; UL Category Control No.: NKCR; CSA; UL; IEC/EN 60947-4-1; UL File No.: E29184; CSA File No.: 012528
Ambient operating temperature - max50 °C
Ambient storage temperature - max80 °C
Ambient operating temperature - min-25 °C
Ambient operating temperature (enclosed) - max40 °C
Ambient operating temperature (enclosed) - min-25 °C
Ambient storage temperature - min-40 °C
Climatic proofingDamp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78
Code number71E in combination with DILER-40(-G); 62 in combination with DILER-31(-G); 53 in combination with DILER-22
Control circuit reliability< 2 λ, < 1 failure at 100,000,000 Operations (at Uₑ = 24 V DC, Umin = 17 V, Imin = 5.4 mA)
Number of contacts (change-over contacts)0
Number of contacts (normally closed contacts)1
Number of contacts (normally open contacts)3
Conventional thermal current Ith of auxiliary contacts (1-pole, open)10 A
Heat dissipation per pole, current-dependent Pvid0.24 W
Rated operational current for specified heat dissipation (In)4 A
Rated insulation voltage (Ui)690 V
Rated operational current (Ie)2.5 A at 24 V, DC L/R ≤ 15 ms (with 1 contact in series); 1.5 A at 110 V, DC L/R ≤ 15 ms (with 3 contacts in series); 0.5 A at 220 V, DC L/R ≤ 15 ms (with 3 contacts in series); 2.5 A at 60 V, DC L/R ≤ 15 ms (with 2 contacts in series)
Rated operational current (Ie) at AC-15, 220 V, 230 V
240 V4 A
Rated operational current (Ie) at AC-15, 380 V, 400 V
415 V2 A
Rated operational current (Ie) at AC-15
500 V1.5 A
Rated operational voltage (Ue) at AC - max600 V
Safe isolation300 V AC, Between auxiliary contacts, According to EN 61140; 300 V AC, Between coil and auxiliary contacts, According to EN 61140
Electric connection typeScrew connection
FeaturesInterlocked opposing contacts within an auxiliary contact module (according to IEC 60947-5-1 Annex L)
Fitted withInterlocked opposing contacts; Switching elements according to EN 50005
FunctionsFor standard applications
Number of polesFour-pole
Degree of protectionIP20
Lifespan, mechanical150,000 Operations (at 240 V, DC
L/R = 50 ms2 contacts in series 0.5 A); 20,000,000 Operations (DC operated); 10,000,000 Operations (AC operated); 200,000 Operations (at 240 V, AC-15)
ModelTop mounting
Mounting methodFront fastening
Mounting positionAs required (except vertical with terminals A1/A2 at the bottom)
Operating frequency9000 Operations/h
Overvoltage categoryIII
Pollution degree3
ProtectionFinger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)
Rated impulse withstand voltage (Uimp)6000 V AC
Shock resistance10 g, N/O contact, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms; 8 g, N/C contact, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms
Short-circuit protection rating10 A fast, 500V, Maximum fuse, Short-circuit rating without welding, Contacts
Short-circuit protection rating without welding6 A gG/gL, 500 V, Max. Fuse, Contacts
Switching capacity (auxiliary contacts, general use)10 A, 600 V AC, (UL/CSA); 0.5 A, 250 V DC, (UL/CSA)
Switching capacity (auxiliary contacts, pilot duty)A600, AC operated (UL/CSA); P300, DC operated (UL/CSA)
Screw sizeM3.5, Terminal screw
Screwdriver size0.8 x 5.5/1 x 6 mm, Terminal screw, Standard screwdriver; 2, Terminal screw, Pozidriv screwdriver
Terminal capacity (flexible with ferrule)2 x (0.75 - 1.5) mm²; 1 x (0.75 - 1.5) mm²
Terminal capacity (solid)2 x (0.75 - 2.5) mm²; 1 x (0.75 - 2.5) mm²
Terminal capacity (solid/stranded AWG)Single 18 – 14, double 18 – 14
Tightening torque1.2 Nm, Screw terminals
Country of originRomania

Properties

MOQ1

Cross-References

Attached Documents