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Specification & Description
| Specification | Description |
|---|---|
| Part Number | CAD32BL |
| Manufacturer | Schneider Electric |
| Product Range | TeSys |
| Product or Component Type | Electric Control Relay |
| Device Short Name | CAD |
| Contactor Application | Control Circuit |
| Utilisation Category | AC-15, DC-13, AC-14 |
| Pole Contact Composition | 3 NO (Normally Open) + 2 NC (Normally Closed) |
| 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 <= 140 °F (60 °C) |
| Rated Making Capacity (Irms) | 140 A AC conforming to IEC 60947-5-1, 250 A DC conforming to IEC 60947-5-1 |
| Rated Short-Time Withstand Current (Icw) | 100 A - 1 s, 120 A - 500 ms, 140 A - 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 | Screw Clamp Terminals for cables 1…4 mm², flexible with or without cable end, solid without cable end |
| Tightening Torque | 10.62 lbf.in (1.2 N.m) with screwdriver Philips No 2 or flat Ø 6 mm |
| Operating Time | 65...88 ms coil energisation and NO closing, 14...25 ms coil de-energisation and NO opening |
| Mechanical Durability | 30 Mcycles |
| Maximum Operating Rate | 180 cyc/mn |
| Time Constant | 40 ms |
| Inrush Power in W | 2.4 W at 68 °F (20 °C) |
| Hold-In Power Consumption in W | 2.4 W at 68 °F (20 °C) |
| Minimum Switching Voltage | 17 V |
| Minimum Switching Current | 5 mA |
| Non-Overlap Time | 1.5 ms on energisation/de-energisation between NC and NO contact |
| Insulation Resistance | > 10 MOhm |
| Mechanical Robustness | Shocks control relay open 10 Gn for 11 ms, closed 15 Gn for 11 ms, Vibrations control relay open 2 Gn, 5...300 Hz, closed 4 Gn, 5...300 Hz |
| Dimensions (Height x Width x Depth) | 3.03 in (77 mm) x 1.77 in (45 mm) x 3.66 in (93 mm) |
| Product Weight | 1.28 lb(US) (0.58 kg) |
| Standards | IEC 60947-5-1, EN 60947-5, VDE 0660, BS 4794, NF C 63-140 |
| 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...158 °F (-40...70 °C) |
| Ambient Air Temperature for Storage | -76...176 °F (-60...80 °C) |
| Operating Altitude | 0...9842.52 ft (0...3000 m) without derating in temperature |
The Schneider CAD32BL is a high-performance electric control relay from the TeSys CAD series, designed to facilitate control circuit applications within a diverse range of industrial settings. This robust component is engineered to operate with a system voltage of up to 690 V AC at frequencies ranging from 25 to 400 Hz, making it a versatile choice for various electrical control systems.
With a pole contact composition of 3 NO (Normally Open) + 2 NC (Normally Closed), the CAD32BL offers flexibility in circuit design and ensures reliable switching for control tasks. The control relay is equipped with a DC low consumption coil, requiring a control circuit voltage of 24 V DC, which contributes to energy efficiency in operations.
The CAD32BL boasts an impressive rated impulse withstand voltage of 6 kV conforming to IEC 60947 standards, and a conventional free air thermal current of 10 A at temperatures up to 60°C. Its rated making capacity is capable of handling 140 A AC and 250 A DC, in accordance with IEC 60947-5-1, ensuring it can cope with high inrush currents.
Mounting is made easy with support for both plate and rail installations, and the relay features screw clamp terminals that accommodate a range of cable sizes, providing a secure and reliable connection. The tightening torque specifications ensure a robust fit, minimising the risk of loose connections over time.
The CAD32BL is designed with durability in mind, with a mechanical endurance of 30 million cycles and an operating rate of 180 cycles per minute, highlighting its capability to withstand the demands of frequent operation. The relay's compact dimensions of 45 x 93 x 77 mm and a weight of 0.58 kg make it suitable for installations where space is at a premium.
In terms of environmental resilience, the CAD32BL can operate in a wide temperature range from -40 to 70°C and is rated for use at altitudes up to 3000 metres without derating in temperature, ensuring consistent performance even in challenging conditions.
The CAD32BL is a testament to Schneider Electric's commitment to quality and sustainability, as it is part of the Green Premium product line, which ensures compliance with the latest environmental standards and regulations. This control relay is an ideal choice for those seeking a reliable and eco-conscious solution for their industrial control needs.
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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-14, AC-15, and DC-13, making it suitable for various control circuit applications.
Can you describe the contact composition of this relay?
Certainly, this relay features a pole contact composition of 3 Normally Open (NO) and 2 Normally Closed (NC) contacts.
What is the maximum operational voltage for this relay?
The maximum rated operational voltage for the relay is 690 V AC at frequencies ranging from 25 to 400 Hz.
What type of control circuit is used in this relay?
This relay utilises a DC low consumption control circuit, which is designed to be energy-efficient.
What is the control circuit voltage for this device?
The control circuit voltage for this device is rated at 24 V DC.
What are the mounting options for this relay?
The relay can be mounted on a plate or a rail, providing flexibility for installation in various setups.
What is the tightening torque for the screw clamp terminals?
The recommended tightening torque for the screw clamp terminals is 1.2 N.m, ensuring secure and reliable connections.
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 conditions.
What is the operating altitude for this relay?
This relay can operate at altitudes up to 3000 meters without derating, making it suitable for use in various geographical locations.
What is the ambient air temperature range for the operation of this relay?
The relay is designed to operate within an ambient air temperature range of -40 to 70 degrees Celsius, accommodating a wide range of environmental conditions.
