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Specification & Description
| Specification | Description |
|---|---|
| Part Number | CAD503BL |
| Manufacturer | Schneider |
| Product Range | TeSys |
| Product or Component Type | Control Relay |
| Device Short Name | CAD |
| Contactor Application | Control Circuit |
| Utilisation Category | AC-15, AC-14, DC-13 |
| Pole Contact Composition | 5 NO (Normally Open) |
| Rated Operational Voltage (Ue) | <= 690 V AC 25...400 Hz |
| Control Circuit Type | DC Low Consumption |
| Control Circuit Voltage (Uc) | 24 V DC |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV conforming to IEC 60947 |
| Conventional Free Air Thermal Current (Ith) | 10 A at <= 60 °C (140 °F) |
| Rated Making Capacity (Irms) | 140 A AC, 250 A DC conforming to IEC 60947-5-1 |
| Rated Short-Time Withstand Current (Icw) | 100 A for 1 s, 120 A for 500 ms, 140 A for 100 ms |
| Associated Fuse Rating | 10 A gG conforming to IEC 60947-5-1 |
| Rated Insulation Voltage (Ui) | 690 V conforming to IEC 60947-5-1, 600 V certifications UL, 600 V certifications CSA |
| Mounting Support | Plate, Rail |
| Connections - Terminals | Spring terminals for cables 1...2.5 mm², flexible or solid, without cable end |
| Control Circuit Voltage Limits | 0.1...0.25 Uc drop-out, 0.7...1.25 Uc operational |
| Operating Time | 65...88 ms coil energisation and NO closing, 14...25 ms coil de-energisation and NO opening |
| Mechanical Durability | 30 Mcycles |
| Operating Rate | 180 cyc/mn |
| Time Constant | 40 ms |
| Inrush Power in W | 2.4 W at 20 °C (68 °F) |
| Hold-in Power Consumption in W | 2.4 W at 20 °C (68 °F) |
| Minimum Switching Voltage | 17 V |
| Minimum Switching Current | 5 mA |
| Non-overlap Time | 1.5 ms on de-energisation and energisation between NC and NO contact |
| Insulation Resistance | > 10 MOhm |
| Mechanical Robustness | Shocks: 10 Gn for 11 ms (open), 15 Gn for 11 ms (closed); Vibrations: 2 Gn, 5...300 Hz (open), 4 Gn, 5...300 Hz (closed) |
| Dimensions (H x W x D) | 99 mm x 45 mm x 93 mm |
| Product Weight | 0.58 kg |
| Standards | VDE 0660, IEC 60947-5-1, NF C 63-140, BS 4794, EN 60947-5 |
| Product Certifications | UL, CSA |
| IP Degree of Protection | IP2x conforming to VDE 0106 |
| Protective Treatment | TH conforming to IEC 60068 |
| Ambient Air Temperature for Operation | -40...70 °C (-40...158 °F) |
| Ambient Air Temperature for Storage | -60...80 °C (-76...176 °F) |
| Operating Altitude | 0...3000 m without derating |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Compliant |
| EU RoHS Declaration | Yes |
| Mercury Free | Yes |
| China RoHS Regulation | China RoHS declaration |
| Product Environmental Profile | Available |
| End of Life Information | Available |
The Schneider TeSys CAD Series D Control Relay, part number CAD503BL, is a robust and reliable component designed for control circuit applications. This DIN rail mountable relay is engineered to facilitate seamless integration into various industrial systems, offering a compact footprint with dimensions of 45 x 93 x 99 mm. It features a 5NO (5 Normally Open) pole contact composition, ensuring efficient operation within a utilisation category of AC-15, AC-14, and DC-13.
Constructed to withstand system voltages up to 690 V AC at frequencies between 25 and 400 Hz, the CAD503BL is equipped with a DC low consumption control circuit, operating at a control circuit voltage of 24 V DC. This ensures energy efficiency while maintaining high performance. The relay boasts an impressive rated impulse withstand voltage of 6 kV in accordance with IEC 60947 standards, and a conventional free air thermal current of 10 A at temperatures up to 60°C.
The CAD503BL's mechanical durability is demonstrated by its ability to endure 30 million cycles, and it operates with an inrush power of 2.4 W at 20°C. The relay's minimum switching capabilities are 17 V and 5 mA, making it suitable for a wide range of low-power applications. Additionally, the relay's spring terminals accommodate cables ranging from 1 to 2.5 mm², both flexible and solid, without the need for cable ends.
This control relay is compliant with the EU RoHS Directive, ensuring that it meets the highest standards for environmental responsibility and user safety. The product is also mercury-free and adheres to the REACh Regulation, reflecting Schneider Electric's commitment to sustainability and ecological considerations.
The CAD503BL is a testament to Schneider Electric's dedication to quality, performance, and environmental stewardship, making it an excellent choice for professionals seeking a dependable control relay for their industrial systems.
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Frequently Asked Questions
What is the utilisation category for this control relay?
The control relay falls under the utilisation categories AC-15, AC-14, and DC-13, making it suitable for a variety of control circuit applications.
Can this relay be mounted on a DIN rail?
Yes, the relay is designed for DIN rail mounting, which allows for easy installation and secure fastening in control panels.
What type of terminals does this relay have for wire connections?
This relay is equipped with spring terminals that can accommodate cables with a cross-section of 1...2.5 mm², both flexible and solid, without the need for cable ends.
What is the control circuit voltage for this relay?
The control circuit voltage for the CAD503BL is 24 V DC, which is a common low consumption voltage for control circuits.
What is the rated insulation voltage of this relay?
The rated insulation voltage of the relay is 690 V, conforming to IEC 60947-5-1, with certifications for 600 V by UL and CSA.
What is the mechanical durability of this relay?
The mechanical durability of the relay is rated at 30 million cycles, indicating a long operational lifespan under typical usage conditions.
What are the dimensions and weight of this relay?
The dimensions of the relay are 45 mm in width, 93 mm in depth, and 99 mm in height, with a weight of approximately 0.58 kg.
What is the IP degree of protection for this relay?
The relay has an IP degree of protection of IP2x, as per VDE 0106, ensuring a level of protection against solid objects.
What is the ambient operating temperature range for this relay?
The relay can operate within an ambient temperature range of -40 to 70 °C, with derating required for temperatures between 60 to 70 °C.
How does this relay contribute to environmental sustainability?
This relay is a Green Premium product, which means it complies with the latest environmental regulations and is free from substances exceeding REACh SVHC thresholds.
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