LC1D25U7 TeSys D, Contactor, 3P(3 NO)

Description

Main

range of product	TeSys Deca.
product or component type	Contactor.
device short name	LC1D.
contactor application	Motor control.. Resistive load.
utilisation category	AC-3. AC-1. AC-3e.
poles description	3P.
[Ue] rated operational voltage	Power circuit: <= 690 V AC 25…400 Hz. Power circuit: <= 300 V DC.
[Ie] rated operational current	25 A (at <60 °C) at <= 440 V AC AC-3 for power circuit. 40 A (at <60 °C) at <= 440 V AC AC-1 for power circuit. 25 A (at <60 °C) at <= 440 V AC AC-3e for power circuit.
[Uc] control circuit voltage	240 V AC 50/60 Hz.

Complementary

motor power kW	5.5 kW at 220…230 V AC 50/60 Hz (AC-3). 11 kW at 380…400 V AC 50/60 Hz (AC-3). 11 kW at 415–440 V AC 50/60 Hz (AC-3). 15 kW at 500 V AC 50/60 Hz (AC-3). 15 kW at 660…690 V AC 50/60 Hz (AC-3). 5.5 kW at 400 V AC 50/60 Hz (AC-4). 5.5 kW at 220…230 V AC 50/60 Hz (AC-3e). 11 kW at 380…400 V AC 50/60 Hz (AC-3e). 11 kW at 415…440 V AC 50/60 Hz (AC-3e). 15 kW at 500 V AC 50/60 Hz (AC-3e). 15 kW at 660…690 V AC 50/60 Hz (AC-3e).
motor power hp	3 hp at 230/240 V AC 50/60 Hz for 1 phase motors. 2 hp at 115 V AC 50/60 Hz for 1 phase motors. 7.5 hp at 230/240 V AC 50/60 Hz for 3 phases motors. 15 hp at 460/480 V AC 50/60 Hz for 3 phases motors. 20 hp at 575/600 V AC 50/60 Hz for 3 phases motors. 7.5 hp at 200/208 V AC 50/60 Hz for 3 phases motors.
compatibility code	LC1D.
pole contact composition	3 NO.
contact compatibility	M2.
protective cover	With.
[Ith] conventional free air thermal current	10 A (at 60 °C) for the signaling circuit. 40 A (at 60 °C) for power circuit.
Irms rated making capacity	140 A AC for signalling circuits conforming to IEC 60947-5-1. 250 A DC for the signaling circuit conforming to IEC 60947-5-1. 450 A at 440 V for a power circuit conforming to IEC 60947.
rated breaking capacity	450 A at 440 V for a power circuit conforming to IEC 60947.
[Icw] rated short-time withstand current	240 A, 40 °C, 10 s for the power circuit. 380 A, 40 °C, 1 s for the power circuit. 50 A, 40 °C, 10 min for the power circuit. 120 A, 40 °C, 1 min for the power circuit. 100 A – 1 s for the signaling circuit. 120 A to 500 ms for the signaling circuit. 140 A to 100 ms for the signaling circuit.
associated fuse rating	10 A gG for the signaling circuit conforming to IEC 60947-5-1. 63 A gG at <= 690 V coordination type 1 for power circuit. 40 A gG at <= 690 V coordination type 2 for the power circuit.
average impedance	2 mOhm with 40 A and 50 Hz for a power circuit.
power dissipation per pole	3.2 W AC-1. 1.25 W AC-3. 1.25 W AC-3e.
[Ui] rated insulation voltage	Power circuit: 690 V, conforming to IEC 60947-4-1. Power circuit: 600 V CSA-certified. Power circuit: 600 V UL certified. Signaling circuit: 690 V, conforming to IEC 60947-1. Signaling circuit: 600 V CSA-certified. Signaling circuit: 600 V UL certified.
overvoltage category	III
pollution degree	3
[Uimp] rated impulse withstand voltage	6 kV, conforming to IEC 60947.
safety reliability level	B10d = 1369863 cycles of contactor with a nominal load conforming to EN/ISO 13849-1. B10d = 20000000 cycles of contactor with mechanical load conforming to EN/ISO 13849-1.
mechanical durability	15 Mcycles
electrical durability	1.65 Mcycles 25 A AC-3 at Ue <= 440 V. 1.4 Mcycles 40 A AC-1 at Ue <= 440 V. 1.65 Mcycles 25 A AC-3e at Ue <= 440 V.
control circuit type	AC at 50/60 Hz
coil technology	Without a built-in suppressor module.
control circuit voltage limits	0.3–0.6 Uc (-40–70 °C): drop-out AC 50/60 Hz. 0.8…1.1 Uc (-40…60 °C): operational AC 50 Hz. 0.85…1.1 Uc (-40…60 °C): operational AC 60 Hz. 1…1.1 Uc (60…70 °C): operational AC 50/60 Hz.
inrush power in VA	70 VA, 60 Hz, cosphi 0.75 (at 20 °C). 70 VA, 50 Hz, cosphi 0.75 (at 20 °C).
hold-in power consumption in VA	7.5 VA, 60 Hz, cosphi 0.3 (at 20 °C). 7 VA, 50 Hz, cosphi 0.3 (at 20 °C).
heat dissipation	2…3 W at 50/60 Hz.
operating time	12…22 ms. closing. 4…19 ms. opening.
maximum operating rate	3600 cyc/h, 60 °C.
connections – terminals	Control circuit: screw clamp terminals 1 1/4 mm²; cable stiffness: flexible without cable end. Control circuit: screw clamp terminals 2 1….4 mm² – cable stiffness: flexible without cable end. Control circuit: screw clamp terminals 1 1/4 mm²; cable stiffness: flexible with the cable end. Control circuit: screw clamp terminals 2 1…2.5 mm²; cable stiffness: flexible with cable end. Control circuit: screw clamp terminals 1 1/4 mm²; cable stiffness: solid without cable end. Control circuit: screw clamp terminals 2 1/4 mm²; cable stiffness: solid without cable end. Power circuit: screw clamp terminals 12.5…10 mm²; cable stiffness: flexible without cable end. Power circuit: screw clamp terminals 2 2.5…10 mm²; cable stiffness: flexible without cable end. Power circuit: screw clamp terminals 1 1…10 mm²; cable stiffness: flexible with cable end. Power circuit: screw clamp terminals 2 1.5…6 mm²; cable stiffness: flexible with cable end. Power circuit: screw clamp terminals 1 1.5…10 mm²; cable stiffness: solid without cable end. Power circuit: screw clamp terminals 2 2.5…10 mm²; cable stiffness: solid without cable end.
tightening torque	Control circuit: 1.7 N.m. on screw clamp terminals with a screwdriver flat Ø 6 mm. Control circuit: 1.7 N.m. on screw clamp terminals with screwdriver Philips No. 2. Power circuit: 2.5 N.m. on screw clamp terminals, with screwdriver flat Ø 6 mm. Power circuit: 2.5 N.m. on screw clamp terminals with screwdriver Philips No. 2. Control circuit: 1.7 N.m. on screw clamp terminals, with screwdriver pozidriv No. 2. Power circuit: 2.5 N.m. on screw clamp terminals, with screwdriver pozidriv No. 2.
auxiliary contact composition	1 NO + 1 NC.
auxiliary contacts type	Type mechanically linked: 1 NO + 1 NC, conforming to IEC 60947-5-1. type mirror contact 1 NC, conforming to IEC 60947-4-1.
signalling circuit frequency	25…400 Hz.
minimum switching voltage	17 V for the signaling circuit.
minimum switching current	5 mA for the signaling circuit.
insulation resistance	> 10 MOhm for signalling circuit
non-overlap time	1.5 ms on de-energization between NC and NO contact. 1.5 ms on energization between NC and NO contact.
mounting support	Rail. Plate

Environment

standards	CSA C22.2 No. 14. EN 60947-4-1. EN 60947-5-1. IEC 60947-4-1. IEC 60947-5-1. UL 508. IEC 60335-1.
product certifications	RINA. CSA. BV. UL. CCC. LROS (Lloyds Register of Shipping). DNV. GOST. GL. UKCA.
IP degree of protection	IP20 front face conforms to IEC 60529.
protective treatment	TH conforms to IEC 60068-2-30.
climatic withstand	Conforming to IACS E10 exposure to damp. heat. conforming to IEC 60947-1 Annex Q. Category D exposure to damp heat.
permissible ambient air temperature around the device	-40…60 °C. 60…70 °C with derating.
operating altitude	0…3000 m.
fire resistance	850 °C, conforming to IEC 60695-2-1.
flame retardance	V1 conforms to UL 94.
mechanical robustness	Vibrations contactor open (2 Gn, 5…300 Hz). Vibrations contactor closed (4 Gn, 5…300 Hz). Shocks contactor closed (15 Gn for 11 ms). Shocks contactor open (8 Gn for 11 ms).
height	85 mm.
width	45 mm.
depth	92 mm.
net weight	0.37 kg.

 

Packing Units

Unit Type of Package 1	PCE.
Number of Units in Package 1	1
Package 1 Height	5.0 cm.
Package 1 Width	9.2 cm.
Package 1 Length	11.2 cm.
Package 1 Weight	414.0 g.
Unit Type of Package 2	S02.
Number of Units in Package 2	20
Package 2 Height	15.0 cm.
Package 2 Width	30.0 cm.
Package 2 Length	40.0 cm.
Package 2 Weight	8.715 kg.
Unit Type of Package 3	P06.
Number of Units in Package 3	320.
Package 3 Height	75.0 cm.
Package 3 Width	80.0 cm.
Package 3 Length	60.0 cm.
Package 3 Weight	147.94 kg.

The TeSys D LC1D25U7 is a high-quality contactor developed by Schneider Electric, designed to offer reliable and efficient switching for a wide range of industrial and commercial applications. This article provides a detailed examination of the LC1D25U7, including its features, benefits, applications, and installation considerations.

Overview and Features

The TeSys D LC1D25U7 is a three-pole (3P) contactor designed for effective switching of alternating current (AC) loads. It is particularly suited for motor control and other industrial applications where robust performance and reliability are required. Here’s a closer look at its key features:

1. Three-Pole Configuration: The LC1D25U7 features a three-pole design with three normally open (NO) contacts. This configuration allows it to manage three-phase electrical loads efficiently, making it suitable for controlling motors and other three-phase equipment.
2. AC-3/AC-3e Duty Rating: The contactor is rated for both AC-3 and AC-3e duties. The AC-3 rating is ideal for motor control applications, as it handles the high inrush currents and operational stresses associated with motor switching. The AC-3e rating provides enhanced performance and energy efficiency, making the contactor suitable for a variety of demanding applications.
3. Voltage and Current Ratings: The LC1D25U7 is designed to handle a wide range of voltage and current ratings, ensuring compatibility with various electrical systems. This capability makes it versatile for different industrial and commercial applications.
4. Compact and Durable Design: The contactor’s compact design allows for installation in confined spaces while maintaining robust performance. Its durable construction ensures long-term reliability, even in harsh environments.
5. Mounting Options: The LC1D25U7 can be mounted on a DIN rail or directly on a panel. This flexibility in mounting options facilitates easy integration into existing systems and new installations.
6. Auxiliary Contacts: The contactor can be equipped with auxiliary contacts, which provide additional signaling or control functions. These auxiliary contacts enhance the contactor’s versatility and adaptability to various control scenarios.
7. Coil Voltage Options: Available with various coil voltage options, the LC1D25U7 can be customized to match specific control requirements. The coil voltage determines the operating voltage for the contactor’s electromagnetic coil, which actuates the main contacts.
8. Mechanical Interlocking: The contactor includes mechanical interlocking features to prevent simultaneous closure of contacts, ensuring safe and reliable operation.

Benefits

1. Reliable Operation: The LC1D25U7 is known for its reliable performance in switching AC loads. Its AC-3/AC-3e duty ratings ensure that it can handle the stresses associated with motor control and other demanding applications.
2. Durability: With its rugged construction, the LC1D25U7 is designed to withstand harsh operating conditions and frequent switching cycles. This durability reduces the need for maintenance and replacement, contributing to lower operational costs.
3. Efficient Motor Control: The contactor’s AC-3 rating makes it ideal for motor control applications. It manages high inrush currents effectively, ensuring smooth and efficient motor operation.
4. Versatile Installation: The compact size and flexible mounting options of the LC1D25U7 make it easy to install in a variety of setups. Whether mounted on a DIN rail or directly on a panel, it provides flexibility in electrical system design.
5. Enhanced Control: The option to add auxiliary contacts allows for additional control and signaling capabilities. This versatility enables the LC1D25U7 to be tailored to specific application needs.

Applications

The TeSys D LC1D25U7 contactor is suitable for a range of applications, including:

1. Motor Control: The contactor is commonly used in motor control circuits, where it efficiently manages the switching of motors and other inductive loads. Its AC-3 rating ensures reliable performance in these applications.
2. Industrial Machinery: The LC1D25U7 is ideal for controlling various industrial machines and equipment. Its durable design and high-performance rating make it suitable for demanding industrial environments.
3. HVAC Systems: In heating, ventilation, and air conditioning (HVAC) systems, the contactor controls motors and other electrical components, contributing to efficient system operation and management.
4. Commercial Facilities: The contactor is used in commercial settings for controlling electrical loads such as lighting, pumps, and other equipment, ensuring reliable operation and energy efficiency.
5. Automated Systems: The LC1D25U7 is also suitable for automated systems where reliable and precise switching is required. It supports efficient operation in manufacturing processes and automated production lines.

Installation Considerations

1. Mounting: Ensure that the LC1D25U7 is mounted securely according to the installation guidelines. It can be mounted on a DIN rail or directly on a panel, depending on the setup. Proper mounting is essential for reliable operation and ease of maintenance.
2. Wiring: Follow correct wiring practices to ensure proper electrical connections. The contactor should be wired according to its voltage and current ratings to avoid damage and ensure safe operation.
3. Coil Voltage: Select the appropriate coil voltage for the contactor based on the control circuit requirements. The coil voltage must match the control voltage supplied to the contactor.
4. Auxiliary Contacts: If using auxiliary contacts, ensure they are correctly installed and wired. These contacts can provide additional control functions and enhance the contactor’s versatility.
5. Maintenance: Regular inspection and maintenance are recommended to ensure continued reliable performance. Check for signs of wear or damage and replace components as needed.
6. Environmental Conditions: Consider the operating environment when installing the contactor. Protect it from extreme temperatures, moisture, and dust to maintain optimal performance and longevity.

Conclusion

The TeSys D LC1D25U7 contactor offers a reliable and versatile solution for switching AC loads in various industrial and commercial applications. Its three-pole configuration, AC-3/AC-3e duty rating, and durable construction make it an excellent choice for motor control and other demanding tasks. With its compact design, flexible mounting options, and customization features, the LC1D25U7 ensures efficient and dependable operation, contributing to the overall efficiency and reliability of electrical systems.