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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LC1D253BL |
| Manufacturer | Schneider Electric |
| Product Type | Contactor |
| Contact Configuration | 3 Normally Open (NO) |
| Rated Operational Current (Ie) | 40 A (AC-1), 25 A (AC-3) at ≤ 440 V AC |
| Motor Power Rating | 15 kW at 500 V AC 50/60 Hz (AC-3), 5.5 kW at 400 V AC 50/60 Hz (AC-4) |
| Rated Operational Voltage (Ue) | ≤ 690 V AC; ≤ 300 V DC |
| Control Circuit Voltage (Uc) | 24 V DC |
| Auxiliary Contacts | 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Rated Insulation Voltage (Ui) | 600 V (UL, CSA), 690 V (IEC) |
| Pollution Degree | 3 |
| IP Degree of Protection | IP20 (front face) |
| Operating Altitude | 0 to 3000 m without derating |
| Ambient Air Temperature for Operation | -40…60 °C, 60…70 °C with derating |
| Fire Resistance | 850 °C conforming to IEC 60695-2-1 |
| Flame Retardance | V1 conforming to UL 94 |
| Mechanical Robustness | Vibrations: 2 Gn (open), 4 Gn (closed); Shocks: 8 Gn (open), 15 Gn (closed) |
| Dimensions (H x W x D) | 99 mm x 45 mm x 101 mm |
| Net Weight | 0.53 kg |
| Compliance | REACh, RoHS, Green Premium product |
| Utilisation Category | AC-4, AC-1, AC-3 |
The Schneider LC1D253BL is a high-performance contactor renowned for its reliability and efficiency in managing motor control and resistive load applications. This robust component is designed to handle a maximum operational current of 25 A for AC-3 usage at less than 60°C, and up to 40 A for AC-1 applications, ensuring versatility across a range of industrial settings.
Crafted to operate seamlessly within a system voltage of up to 300 V DC and up to 690 V AC at 25...400 Hz for power circuits, the LC1D253BL is equipped with three poles and a contact composition of 3 NO (Normally Open), making it a suitable choice for various power management requirements. Its motor power capacity is impressive, capable of managing 15 kW at 500 V AC 50/60 Hz in an AC-3 utilisation category, and it also supports a range of horsepower ratings for different voltage levels and motor phases.
The contactor features a control circuit with a low consumption 24 V DC coil, which contributes to energy efficiency and reduced operational costs. The auxiliary contact composition includes 1 NO + 1 NC, providing additional flexibility for circuit control. With a rated impulse withstand voltage of 6 kV conforming to IEC 60947, the LC1D253BL ensures robust performance and resilience in demanding electrical environments.
The device's compact dimensions, with a height of 99 mm, a width of 45 mm, and a depth of 101 mm, allow for convenient installation in space-constrained areas, while its net weight of 0.53 kg makes it easy to handle during setup. The contactor is also compliant with international standards, including EN 60947-4-1, EN 60947-5-1, IEC 60947-4-1, IEC 60947-5-1, and UL 508, ensuring it meets global requirements for safety and performance.
In summary, the Schneider LC1D253BL contactor is a reliable and efficient solution for industrial power management, offering a blend of performance, durability, and energy efficiency, making it a valuable addition to any electrical control system.
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Frequently Asked Questions
What type of applications is this contactor suitable for?
The Schneider contactor is designed for motor control and resistive load applications. It is suitable for utilisation categories AC-1, AC-3, and AC-4, making it versatile for various industrial uses, including starting and stopping motors and switching heating loads.
Can this contactor be used with both AC and DC power circuits?
Yes, this contactor is rated for use with power circuits up to 690 V AC at 25 to 400 Hz and up to 300 V DC, providing flexibility for integration into a variety of electrical systems.
What is the rated operational current of this contactor?
The contactor has a rated operational current of 25 A for AC-3 applications at less than 60°C and up to 440 V AC. It also has a rating of 40 A for AC-1 applications under the same conditions.
What are the dimensions and weight of the contactor?
The contactor measures 99 mm in height, 45 mm in width, and 101 mm in depth, with a net weight of approximately 0.53 kg.
What is the control circuit voltage for this contactor?
The control circuit voltage for this contactor is 24 V DC, which is suitable for low consumption DC control circuits.
What type of coil technology does the contactor use?
The contactor is equipped with a built-in bidirectional peak limiting diode suppressor, which helps to manage voltage spikes and enhances the durability of the coil.
What is the IP degree of protection for this contactor?
The contactor has an IP20 degree of protection for the front face, ensuring a level of protection against solid objects but not against water ingress.
What certifications does the contactor hold?
The contactor is certified by multiple international standards, including CSA, EN, IEC, UL, and others, ensuring compliance with a range of safety and performance criteria.
What is the mechanical and electrical durability of the contactor?
The contactor boasts a mechanical durability of 30 million cycles and an electrical durability that ranges from 1.4 million cycles for AC-1 to 1.65 million cycles for AC-3 applications at rated voltage.
Does the contactor come with auxiliary contacts?
Yes, the contactor includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, which can be used for signalling and interlocking purposes in control circuits.
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