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UEC2-12

AC Contactor

UEC2 series

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Certificates:

Product Characteristics

Greater contact distance and strong impact and vibration resistance
Class H enameled wire to reduce the risk of coil overheating and burning
Adapt to the severe high temperature + 85 ℃ , with strong environmental adaptability and corrosion resistance

Technical Parameters

Main 
Product SeriesUEC2
Product or Component TypeContactor
Device Short NameUEC2-12C
Contactor Application

Motor control 

Resistive load

Utilisation Category

AC-3

AC-1

Poles Description3P
[Ue] Rated Operational Voltage Power circuit: ≤ 690 V AC 50/60Hz
[Ie] Rated Operational Current 

12 A (at ≤85 °C) at ≤ 400 V AC AC-3 for power circuit

32 A (at ≤85 °C) at ≤ 690 V AC AC-1 for power circuit

[Us] Control Circuit Voltage 

(AC 50/60Hz)

Voltage (V):  24    220      380 
Code:        B7    M7     Q7 
Complementary 
Motor Power kW

3 kW at 220/230 V AC 50/60 Hz (AC-3)

5.5 kW at 380/400 V AC 50/60 Hz (AC-3)

7.5 kW at 660/690 V AC 50/60 Hz (AC-3)

Pole Contact Composition3 NO
[Ith] Conventional Free Air Thermal Current 

32 A (at ≤85 °C) for power circuit

10 A (at ≤85 °C) for signalling circuit

Associated Fuse Rating

10 A gG for signalling circuit conforming to IEC 60947-5-1

32 A gG at ≤ 690 V coordination type 2 for power circuit

Average Impedance2.4 mΩ - Ith 50 Hz for power circuit
[Ui] Rated Insulation Voltage 

Power circuit: 690 V conforming to IEC 60947-4-1

Signalling circuit: 690 V conforming to IEC 60947-5-1

Overvoltage Category III
Pollution Degree3
[Uimp] Rated Impulse Withstand Voltage 6 kV conforming to IEC 60947
Mechanical Durability5.0 M cycles
Electrical Durability0.2 M cycles at Ue ≤ 400 V conforming to ARI 780/790
Control Circuit TypeAC at 50/60 Hz standard
Coil TechnologyWithout built-in suppressor module
Control Circuit Voltage Limits

0.85...1.1 Us (-40…85 °C): operational AC 50/60 Hz

0.2...0.75 Us (-40…85 °C): drop-out AC 50/60 Hz

Inrush Power in VA130 VA 50/60 Hz (at 25 °C)
Hold-in Power Consumption in VA14 VA 50/60 Hz (at 25 °C)
Operating Time

Power circuit: 12...22 ms closing, 5...19 ms opening

Signalling circuit (NO): 12...25 ms closing, 9...17 ms opening

Signalling circuit (NC): 9...17 ms opening, 10...25 ms closing

Maximum Operating Rate

Electrical: 1200 cycs/h

Mechanical: 3600 cycs/h 

Connections - Terminals

Power circuit: screw clamp terminals 1 1…6 mm² (AWG 18…10)- cable stiffness: flexible without cable end

Power circuit: screw clamp terminals 2 1…6 mm² (AWG 18…10) - cable stiffness: flexible without cable end

Power circuit: screw clamp terminals 1 1…6 mm² (AWG 18…10) - cable stiffness: flexible with cable end

Power circuit: screw clamp terminals 2 1…6 mm² (AWG 18…10)- cable stiffness: flexible with cable end

Power circuit: screw clamp terminals 1 1…6 mm² (AWG 18…10)- cable stiffness: solid without cable end

Power circuit: screw clamp terminals 2 1…6 mm² (AWG 18…10) - cable stiffness: solid without cable end

Power circuit: M3.5, Terminal width≤9.5mm (0.374 in)

Control circuit: screw clamp terminals 1 1…4 mm² (AWG 18…12)- cable stiffness: flexible without cable end

Control circuit: screw clamp terminals 2 1…4 mm² (AWG 18…12)- cable stiffness: flexible without cable end

Control circuit: screw clamp terminals 1 1…4 mm² (AWG 18…12) - cable stiffness: flexible with cable end

Control circuit: screw clamp terminals 2 1…2.5 mm² (AWG 18…14)- cable stiffness: flexible with cable end

Control circuit: screw clamp terminals 1 1…4 mm² (AWG 18…12) - cable stiffness: solid without cable end

Control circuit: screw clamp terminals 2 1…4 mm² (AWG 18…12) - cable stiffness: solid without cable end

Control circuit: M3.5, Terminal width≤8.1mm (0.318 in)

Tightening Torque

Power circuit: (15~18) lb.in (1.7~2.0 N·m)- on screw clamp terminals - with screwdriver flat Ø 6 mm

Power circuit: (15~18) lb.in (1.7~2.0 N·m) - on screw clamp terminals - with screwdriver  Philips (POZI) No 2

Control circuit: (7~10.7) lb.in (0.8~1.2 N·m) - on screw clamp terminals - with screwdriver flat Ø 6 mm

Control circuit: (7~10.7) lb.in (0.8~1.2 N·m) - on screw clamp terminals - with screwdriver  Philips (POZI) No 2

Auxiliary Contact Composition1NO,1NC
Minimum Switching Voltage17 V for signalling circuit
Minimum Switching Current 5mA for signalling circuit
Insulation Resistance> 10 MΩ for signalling circuit
Mounting Support

Screw 

35mm DIN Rail

Environment 
Standards

GB/T 14048.4,GB/T 14048.5, IEC/EN 60947-4-1,IEC/EN 60947-5-1,

BS EN 60947-4-1,BS EN 60947-5-1

Product CertificationsCCC,CE,UKCA
IP Degree of ProtectionIP20 front face conforming to IEC 60529

Permissible Ambient Air

Temperature Around the Device

-40…85 °C for normal operating

Storage: -55…85 °C

Operating Altitude0...3000 m without derating
Fire ResistanceCurrent-carrying parts:850 °C conforming to IEC 60695-2-11
Mechanical Robustness

Vibrations: 40m/s2, 5Hz ~ 60Hz

Shocks:  80m/s2 for 11ms of half sine wave with contactor open 

Shocks: 150m/s2 for 11ms of half sine wave with contactor closed

Height81 mm
Width45 mm 
Depth86.5 mm
Net Weight0.42 kg
Packing Units 
Unit Type of Package 1/
Number of Units in Package 1/
Package 1 Height /
Package 1 Width /
Package 1 Length /
Package 1 Weight /
Unit type of Package 21 carton
Number of Units in Package 220 pcs
Package 2 Height 21.5 cm
Package 2 Width 18.9 cm
Package 2 Length 25.3 cm
Package 2 Weight 8.8 kg
Offer Sustainability 
REACH Regulation Conforming
EU RoHS Directive Conforming
Mercury Free Yes
China RoHS Regulation Conforming
RoHS Exemption Information Yes 
Contractual warranty 
Warranty18 months

Dimensions

UEC2-12…30 (3P, AC coil)  

AC contactor:

Note: The unit is mm. The tolerance for mounting holes: ± 0.5.

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