Product Specifications

Part Number	EMT6-DB 066401
Air discharge	8 kV
Pollution degree	3
Ambient operating temperature - max	60 °C
Ambient operating temperature - min	-25 °C
Ambient storage temperature - max	85 °C
Ambient storage temperature - min	-45 °C
Degree of protection	IP20
Contact discharge	6 kV
Pickup voltage	0.85-1.1 × Uₑ
Rated insulation voltage (Ui)	400 V
Rated operational voltage (Ue) - max	230 V
Reset resistance	1600 Ω
Resistance measuring range - max	12000 Ω
Resistance measuring range - min	750 Ω
Static heat dissipation, non-current-dependent Pvs	1.5 W
Trip resistance	3600 Ω
Voltage rating - max	600 V
Rated switch current	6 A
Supply voltage at AC, 50 Hz - min	230 V
Supply voltage at AC, 50 Hz - max	230 V

The Eaton 066401 EMT6-DB(230V) Thermistor Overload Relay is a reliable motor protection device designed for industrial machine protection applications. As part of the Eaton Moeller® EMT6 series, this thermistor overload relay monitors motor temperature through PTC thermistors and provides fast response to overheating conditions, helping prevent motor damage and unexpected downtime. The unit operates with a 230V AC supply at 50/60Hz and features manual or remote reset functionality, LED status indication, and an integrated test button for convenient operation and diagnostics. With IP20 protection, screw terminal connections, strong EMC resistance, and compliance with IEC/EN 60947 standards, the EMT6-DB relay is suitable for demanding industrial environments such as manufacturing, machinery control, pumps, compressors, and motor-driven systems. Its compact design, reliable switching performance, and wide operating temperature range make it an effective solution for safe and continuous motor protection.

Frequently asked questions：

Q1: What is the EATON EMT6-DB 066401 used for?
A1: It is used for motor and machine protection against overheating and thermistor overload conditions.

Q2: What is the EMT6-DB 066401 air discharge rating of the relay?
A2: The EMT6-DB 066401 air discharge rating is 8 kV.

Q3: What is the EMT6-DB 066401 pollution degree of the EMT6-DB relay?
A3: The EMT6-DB 066401 pollution degree is 3.

Q4: What is the EMT6-DB 066401 trip resistance value?
A4: The EMT6-DB 066401 trip resistance is 3600 Ω.

Q5: What is the EMT6-DB 066401 maximum voltage rating of the relay?
A5: The EMT6-DB 066401 maximum voltage rating is 600 V.

Product Applications

Heating, Ventilation, Air Conditioning and Refrigeration
Industrial Pumps and Compressors
Machine Tools and Manufacturing
Power and Energy

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We provide a 12-month warranty and worldwide stock availability to guarantee smooth integration and prompt delivery for your daily operations.

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