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Specification & Description
| Specification | Description |
|---|---|
| Part Number | ZB4BW0B31 |
| Manufacturer | Schneider |
| Product Type | Contact Assembly and Light Block |
| Range | Harmony XB4 |
| Device Short Name | ZB4 |
| Material | Metal fixing collar |
| Colour | Green |
| Light Source | Integral LED |
| Rated Supply Voltage | 24 V AC/DC |
| Contacts Type and Composition | 1 NO (Normally Open) |
| Contact Operation | Slow-break |
| Connections - Terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end; >= 1 x 0.22 mm² without cable end |
| CAD Overall Width | 30 mm |
| CAD Overall Height | 47 mm |
| Net Weight | 0.064 kg |
| Contacts Material | Silver alloy (Ag/Ni) |
| Short-Circuit Protection | 10 A cartridge fuse gG |
| Rated Insulation Voltage | 600 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Rated Operational Current | 3 A at 240 V AC-15; 6 A at 120 V AC-15; 0.1 A at 600 V DC-13; 0.27 A at 250 V DC-13; 0.55 A at 125 V DC-13; 1.2 A at 600 V AC-15 |
| Mechanical Durability | 5,000,000 cycles |
| Tightening Torque | 0.8…1.2 N.m |
| Operating Force | 2.3 N (NO changing electrical state) |
| Operating Travel | 2.6 mm (NO changing electrical state), 4.3 mm (total travel) |
| Operating Torque | 0.05 N.m (NO changing electrical state) |
| Ambient Operating Temperature | -40…70 °C |
| Electrical Durability | 1,000,000 cycles at various voltages and currents |
| Vibration Resistance | 5 gn (2…500 Hz) |
| Shock Resistance | 30 gn (18 ms) half sine wave acceleration; 50 gn (11 ms) half sine wave acceleration |
| Compliance | EN/IEC 60947-5-1, EN/IEC 60947-5-4, EN/IEC 60947-1, UL 508, CSA C22.2 No 14, JIS C8201-1 |
| Certifications | BV, CSA, GL, LR, DNV, UL Listed |
The Schneider ZB4BW0B31 is a robust and versatile contact assembly and light block designed to meet the demands of industrial control applications. This green light block, complete with a body and fixing collar, is constructed from durable metal and features an integral LED that operates at 24 V AC/DC. It is part of the Harmony XB4 range, renowned for its reliability and ease of use.
The unit's fixing collar is made from high-quality Zamak, ensuring a secure fit and long-lasting performance in a variety of settings. The ZB4BW0B31 is equipped with one normally open (NO) slow-break contact, which is made from a silver alloy (Ag/Ni) for optimal electrical conductivity and resistance to wear.
With a compact design, the light block has a CAD overall width of 30 mm and a height of 47 mm, making it suitable for integration into control panels without requiring excessive space. The screw clamp terminals can accommodate cables up to 2 x 1.5 mm² with cable end, in accordance with EN 60947-1, or 1 x 0.22 mm² without cable end, providing flexibility for various wiring configurations.
The ZB4BW0B31 is designed for straightforward operation, with an operating force of 2.3 N required to change the electrical state and a mechanical durability rated at 5 million cycles, ensuring a long service life. The light block's LED offers a steady signal and has a service life of 100,000 hours at the rated voltage and 25 °C, contributing to reduced maintenance needs.
This product is compliant with several international standards, including EN/IEC 60947-5-1, and has undergone rigorous testing to ensure its resistance to vibration, shock, and electromagnetic interference, making it a reliable choice for industrial environments.
The Schneider ZB4BW0B31 is a Green Premium product, reflecting its compliance with the latest environmental standards and regulations. It is a practical solution for those seeking a high-quality, durable light block for their control systems.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this contact assembly and light block?
The Schneider contact assembly and light block is designed to be integrated into control panels and machinery interfaces. It serves as an indicator light and includes a single normally open (NO) contact for control circuit applications.
Can this light block be used with both alternating and direct current supplies?
Yes, this light block is versatile and can be used with a rated supply voltage of 24 V AC/DC at 50/60 Hz, making it suitable for a variety of electrical systems.
What type of terminals does this light block feature for wire connections?
It features screw clamp terminals that can accommodate wires up to 2 x 1.5 mm² with cable end conforming to EN 60947-1, and also wires >= 1 x 0.22 mm² without cable end.
What is the expected mechanical durability of this product?
The mechanical durability of the light block is rated at 5 million cycles, indicating its ability to withstand repeated use over time.
What is the colour of the integrated LED in this light block?
The integrated LED in this light block emits a green colour, which is commonly used to indicate that a machine is in a safe or 'go' state.
What materials are used in the construction of this light block?
The fixing collar of the light block is made of Zamak, an alloy of zinc with aluminium, magnesium, and copper, and the contacts are made of a silver alloy (Ag/Ni) for reliable conductivity.
Is there a positive opening function on this light block?
No, this model does not include a positive opening function. It is equipped with a slow-break contact operation.
What are the dimensions of this light block?
The light block has an overall width of 30 mm and an overall height of 47 mm, making it compact and suitable for standard control panel layouts.
How is the light block protected against short circuits?
The light block is protected against short circuits with a 10 A cartridge fuse type gG conforming to EN/IEC 60947-5-1.
What is the rated operational current for this light block?
The rated operational current for the light block varies depending on the voltage and type of current. For example, it can handle 3 A at 240 V AC-15, A600 and 0.1 A at 600 V DC-13, Q600.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
