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Datasheet generated 2026-10-07
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Thermistor Relay EMT6-KDB

Eaton · Control & Automation · Relays & Timers · Ireland · eaton.com
Part Number
EMT6-KDB  ·  HS 8536.49
Thermistor Relay EMT6-KDB

Eaton EMT6-KDB Thermistor Relay for machine protection, 1N/O+1N/C, 24-240VAC/DC.

Technical Specifications

Manufacturer part number (MPN)EMT6-KDB
EAN / GTIN4015082694715
Sales unitpcs
Eaton catalogue number269471
Depth103 mm
Height83 mm
Width23 mm
Weight0.132 kg
CertificationsCSA File No.: 12528; IEC/EN 60947; CSA-C22.2 No. 14; IEC/EN 61000-4-3; CSA; CSA Class No.: 3211-03; IEC/EN 60947-8; IEC/EN 61000-4-2; CE; UL 508; UL File No.: E29184; UL; UL Category Control No.: NKCR; VDE 0660; EN 55011
Ambient operating temperature - max60 °C
Ambient storage temperature - max85 °C
Ambient operating temperature - min-25 °C
Ambient operating temperature (enclosed) - max45 °C
Ambient operating temperature (enclosed) - min-25 °C
Ambient storage temperature - min-45 °C
Climatic proofingDamp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78
Number of contacts (change-over contacts)0
Number of contacts (normally closed contacts)1
Number of contacts (normally open contacts)1
Static heat dissipation, non-current-dependent Pvs0.8 W
Conventional thermal current Ith of auxiliary contacts (1-pole, open)6 A
Pick-up voltage0.85 - 1.1 V x Uₑ
Power consumption2 W at DC; 3.5 VA at AC
Rated control supply voltage (Us) at AC, 50 Hz - max240 V
Rated control supply voltage (Us) at AC, 50 Hz - min24 V
Rated control supply voltage (Us) at AC, 60 Hz - max240 V
Rated control supply voltage (Us) at AC, 60 Hz - min24 V
Rated control supply voltage (Us) at DC - max240 V
Rated control supply voltage (Us) at DC - min24 V
Rated insulation voltage (Ui)400 V
Rated operational voltage (Ue) - max240 V
Reset resistance1600 Ω
Short-circuit protection ratingMax. 6 A gG/gL, Fuse, Contacts
Trip resistance3600 Ω
Voltage rating - max600 V
Air discharge8 kV
Burst impulse1 kV, Signal cable; 2 kV, Supply cable; According to IEC/EN 61000-4-4
Contact discharge6 kV, Electrostatic discharge (ESD)
Electromagnetic fields3 V/m at 1.4 - 2 GHz (according to IEC EN 61000-4-3); 1 V/m at 2.0 - 2.7 GHz (according to IEC EN 61000-4-3); 10 V/m at 80 - 1000 MHz (according to IEC EN 61000-4-3)
Immunity to line-conducted interference10 V (according to IEC/EN 61000-4-6)
Radio interference classClass B (EN 55011)
Surge rating2 kV, symmetrical, power pulses (Surge), EMC; According to IEC/EN 61000-4-5, power pulses (Surge), EMC; 4 kV, asymmetrical, power pulses (Surge), EMC
Electric connection typeScrew connection
FunctionsManual reset; Notifications of mains and faults via LED display; Short-circuit in the sensor cable; Test function via separate button; External reset possible; Manual or remote resetting
Degree of protectionIP20
Mounting positionAs required
Overvoltage categoryIII
Pollution degree3
Product categoryEMT6 thermistor overload relay for machine protection
ProtectionFinger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)
Rated impulse withstand voltage (Uimp)6000 V AC; 4000 V AC
Safe isolation250 V AC, Between the contacts, According to EN 61140; 250 V AC, Between the contacts and power supply, According to EN 61140
Shock resistance10 g, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms
Voltage typeAC/DC
Screw sizeM3.5, Terminal screw
Screwdriver size2, Terminal screw, Pozidriv screwdriver; 1 x 6 mm, Terminal screw, Standard screwdriver
Terminal capacity1 x (0.5 - 2.5) mm², flexible with ferrule; 1 x (0.5 - 2.5) mm², solid; 2 x (0.5 - 1.5) mm², flexible with ferrule; 20 - 14 AWG, solid or stranded; 2 x (0.5 - 1.5) mm², solid
Tightening torque1.2 Nm, Screw terminals
Operating voltage AC 50 Hz24–240 V
Operating voltage AC 60 Hz24–240 V
Operating voltage DC24–240 V
Supply voltage AC 50 Hz24–240 V
Supply voltage AC 60 Hz24–240 V
Supply voltage DC24–240 V
Rated switch current6 A
Connection type auxiliary circuitScrew connection
Type of electric connectionScrew connection
Rated control supply voltage AC 50 Hz24–240 V
Rated control supply voltage AC 60 Hz24–240 V
Rated control supply voltage DC24–240 V
Voltage type for actuatingAC/DC
With detachable clampsNo
Number of measuring circuits1
Error registration possibleNo
External reset possibleYes
Number of contacts as normally closed contact1
Number of contacts as normally open contact1
Resistance measuring range750–12000 Ohm
Country of originChina

Properties

MOQ1

Cross-References

Attached Documents