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Specification & Description
| Specification | Description |
|---|---|
| Part Number | ZB4BW0B51 |
| Manufacturer | Schneider Electric |
| Product Range | Harmony XB4 |
| Component Type | Complete body/contact assembly and light block |
| Device Short Name | ZB4 |
| Fixing Collar Material | Zamak |
| Sale per Indivisible Quantity | 1 |
| Head Type | Standard |
| Contacts Type and Composition | 1 Normally Open (NO) |
| Contact Operation | Slow-break |
| Connection Terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end; >= 1 x 0.22 mm² without cable end |
| Light Source | Protected LED |
| Bulb Base | Integral LED |
| Light Block Supply | Direct |
| Light Source Colour | Orange |
| Rated Supply Voltage | 24 V AC/DC at 50/60 Hz |
| CAD Overall Width | 30 mm |
| CAD Overall Height | 47 mm |
| Terminals Description ISO No. | (13-14)NO |
| Net Weight | 0.064 kg |
| Contacts Usage | Standard |
| Positive Opening | Without |
| Operating Travel | 2.6 mm (NO changing electrical state), 4.3 mm (total travel) |
| Operating Force | 2.3 N (NO changing electrical state) |
| Operating Torque | 0.05 N.m (NO changing electrical state) |
| Mechanical Durability | 5000000 cycles |
| Tightening Torque | 0.8…1.2 N.m conforming to EN 60947-1 |
| Shape of Screw Head | Cross compatible with Philips no 1 screwdriver, Slotted compatible with flat Ø 4 mm screwdriver |
| Contacts Material | Silver alloy (Ag/Ni) |
| Short-Circuit Protection | 10 A cartridge fuse type gG conforming to EN/IEC 60947-5-1 |
| Conventional Free Air Thermal Current | 10 A conforming to EN/IEC 60947-5-1 |
| Rated Insulation Voltage | 600 V (pollution degree 3) conforming to EN 60947-1 |
| Rated Impulse Withstand Voltage | 6 kV conforming to EN 60947-1 |
The Schneider ZB4BW0B51 is a robust and versatile light block component, designed as part of the Harmony XB4 series. This unit is crafted with a metal body and fixing collar, ensuring durability and resilience in various industrial environments. It features an integral LED light source in a striking orange colour, providing clear and immediate visual feedback for machine operations.
Engineered for straightforward installation, the ZB4BW0B51 comes equipped with screw clamp terminals that can accommodate cables up to 2 x 1.5 mm² with cable end, conforming to EN 60947-1 standards. It also allows for connections of at least 1 x 0.22 mm² without a cable end, offering flexibility in wiring.
The light block operates with a rated supply voltage of 24 V AC/DC at 50/60 Hz, making it suitable for a wide range of control circuit applications. The unit includes a single normally open (NO) contact with a slow-break operation, ensuring reliable switching performance.
With a focus on operational longevity, the ZB4BW0B51 boasts an impressive mechanical durability of 5 million cycles and an electrical durability rated for 1 million cycles at various AC/DC operational currents, as per EN/IEC 60947-5-1 standards. The device's compact dimensions, with a CAD overall width of 30 mm and height of 47 mm, allow for efficient use of panel space.
The Schneider ZB4BW0B51 is designed to meet international standards, including EN/IEC 60947-1 and EN/IEC 60947-5-1, and holds product certifications from recognised bodies, ensuring its compliance with industry regulations. Its construction is free from harmful substances, adhering to REACh and RoHS directives, and it is classified as a Green Premium product, highlighting Schneider Electric's commitment to sustainability.
Ideal for control panels in manufacturing, automation, and machinery, the ZB4BW0B51 is a reliable choice for professionals seeking a high-quality, long-lasting signalling solution.
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Frequently Asked Questions
What is the fixing collar material of the light block?
The fixing collar material of the light block is 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 contact operation of this light block?
The contact operation for this light block is a slow-break type, which means the contacts separate slowly to interrupt the circuit, reducing the possibility of electrical arcing.
What type of light source does this product use?
This product uses a protected LED as its light source, ensuring longevity and consistent performance.
What is the rated supply voltage for this light block?
The rated supply voltage for the light block is 24 V AC/DC, with a frequency of 50/60 Hz.
What is the colour of the light source in this light block?
The light source colour in this light block is orange, providing a clear and distinct signal.
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.
What is the mechanical durability of the light block?
The mechanical durability of the light block is rated at 5,000,000 cycles, indicating its ability to withstand repeated use.
What type of connections does this light block support?
This light block supports screw clamp terminals, accommodating <= 2 x 1.5 mm² with cable end conforming to EN 60947-1 and >= 1 x 0.22 mm² without cable end conforming to EN 60947-1.
What is the tightening torque specification for this light block?
The tightening torque specification for this light block is between 0.8 and 1.2 N.m, conforming to EN 60947-1 standards.
What materials are the contacts made of in this light block?
The contacts in this light block are made of a silver alloy (Ag/Ni), which is known for its excellent electrical conductivity and resistance to corrosion.
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.
