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Specification & Description
| Specification | Description |
|---|---|
| Part Number | ZCD21M12 |
| Manufacturer | Schneider |
| Product Type | Snap Action Limit Switch |
| Terminal Type | Screw Clamp |
| Body Material | Zamak |
| Number of Poles | 2 |
| Contacts Type and Composition | 1 NC (Normally Closed) + 1 NO (Normally Open) |
| Contact Operation | Snap Action |
| Electrical Connection | Male Connector M12, 5 Pins |
| Contacts Material | Silver Plated Contacts |
| Positive Opening | With |
| Minimum Actuation Speed | 0.01 m/s |
| Contact Code Designation | B300, AC-15 (Ue = 240 V), Ie = 1.5 A; R300, DC-13 (Ue = 250 V), Ie = 0.1 A |
| Rated Insulation Voltage ([Ui]) | 300 V conforming to UL 508; 500 V (pollution degree 3) conforming to IEC 60947-1 |
| Maximum Resistance Across Terminals | 25 mOhm conforming to IEC 60255-7 category 3 |
| Rated Impulse Withstand Voltage ([Uimp]) | 6 kV conforming to IEC 60664; 6 kV conforming to IEC 60947-1 |
| Short-Circuit Protection | 10 A Cartridge Fuse, Type gG |
| Rated Operational Current ([Ie]) | 3 A at 50 V, AC-15; 0.27 A at 50 V, DC-13 |
| Conventional Enclosed Thermal Current ([Ithe]) | 4 A |
| Electrical Durability | 5,000,000 Cycles for DC-13 24 V, 10 W; 5,000,000 Cycles for DC-13 48 V, 7 W |
| Dimensions (Width x Height x Depth) | 31 mm x 65 mm x 30 mm |
| Ambient Air Temperature for Operation | -25 to 70 °C |
| Ambient Air Temperature for Storage | -40 to 70 °C |
| Product Compatibility | XCKD |
| RoHS Compliance | Compliant |
| REACh Regulation | Reference not containing SVHC above the threshold |
The Schneider ZCD21M12 is a high-quality snap action limit switch renowned for its reliability and precision in a variety of industrial applications. This compact and robust device is designed with a fixed body and features a screw clamp terminal for secure and straightforward electrical connections. Constructed from durable Zamak, the switch body can withstand challenging environments and is compatible with a range of Schneider limit switch heads.
With two poles and a contact composition of 1 NC (Normally Closed) + 1 NO (Normally Open), the ZCD21M12 ensures versatile integration into control systems. The snap action contact operation provides clear, decisive switching for accurate control. The switch is equipped with a male connector M12, 5 pins, ensuring a solid and efficient electrical connection.
The ZCD21M12 is rated for an insulation voltage of 300V in accordance with UL 508 and 500V as per IEC 60947-1, with a pollution degree of 3, ensuring safe operation even in electrically demanding setups. It also boasts a rated impulse withstand voltage of 6 kV, conforming to IEC standards, which provides additional protection against voltage spikes.
This limit switch body is designed for an electrical durability of 5 million cycles at DC-13 24 V, 10 W, and DC-13 48 V, 7 W, with an operating rate of less than 60 cycles per minute and a load factor of 0.5, as per IEC 60947-5-1 appendix C. This highlights the switch's capability to handle frequent operation without compromising on performance.
The ZCD21M12 operates effectively within an ambient air temperature range of -25 to 70°C, making it suitable for a wide range of operating conditions. Its compact dimensions, with a width of 31 mm, height of 65 mm, and depth of 30 mm, allow for easy installation in space-constrained areas.
Schneider's commitment to sustainability is evident in the ZCD21M12's Green Premium product status, ensuring compliance with environmental regulations such as REACh and RoHS. This makes the ZCD21M12 an environmentally responsible choice for businesses looking to minimise their ecological footprint.
Overall, the Schneider ZCD21M12 limit switch body is a reliable and sustainable choice for businesses seeking a high-performance switching solution that combines durability with precise operation.
Commonly Asked Questions
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Frequently Asked Questions
What type of body material is used in this limit switch?
The body of this limit switch is made from Zamak, which is a family of alloys with a base metal of zinc and alloying elements of aluminium, magnesium, and copper.
Can you describe the electrical connection for this limit switch?
This limit switch features a male connector with an M12 size and 5 pins for its electrical connections.
What is the contact operation type of this limit switch?
The ZCD21M12 limit switch operates with a snap action contact mechanism.
What are the environmental operating conditions for this limit switch?
The limit switch can operate in ambient air temperatures ranging from -25 to 70 degrees Celsius and can be stored in temperatures ranging from -40 to 70 degrees Celsius.
What is the rated insulation voltage for this limit switch?
The rated insulation voltage for this limit switch is 300 V conforming to UL 508, 500 V for pollution degree 3 conforming to IEC 60947-1, and 300 V conforming to CSA C22.2 No 14.
What is the minimum actuation speed for this limit switch?
The minimum actuation speed for the ZCD21M12 is 0.01 m/s.
What type of contacts does this limit switch have?
This limit switch has silver plated contacts with a configuration of 1 NC (Normally Closed) + 1 NO (Normally Open).
Does this limit switch have a positive opening operation?
Yes, this limit switch is equipped with a positive opening operation for enhanced safety.
What is the electrical durability of this limit switch?
The electrical durability of this limit switch is rated at 5 million cycles for DC-13 24 V, 10 W and DC-13 48 V, 7 W, under specific conditions as per IEC 60947-5-1 appendix C.
What are the dimensions of this limit switch?
The dimensions of the limit switch are 31 mm in width, 65 mm in height, and 30 mm in depth.
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