Description

Schneider XB7NH21 | black flush pushbutton Ø22 – push push-to-release – 1 NO – screw clamp terminals

1. Technical Specifications

The Schneider XB7NH21 is a flush pushbutton switch made of durable plastic with a black finish. It has a 22 mm mounting hole diameter, making it compatible with standard industrial control panels. The switch operates on a push-push mechanism, meaning that pressing it once activates the circuit, and pressing it again releases it. It features one normally open (NO) contact and uses screw clamp terminals for secure wiring.

With an IP65 rating, the XB7NH21 is protected against dust and water, making it suitable for harsh industrial environments. It operates efficiently within a temperature range of -25°C to 70°C and has a long mechanical lifespan of up to 1,000,000 operations, ensuring reliability over extended periods of use.

2. Key Features

High Durability

The XB7NH21 is built with high-quality materials that withstand demanding industrial applications. It is IP65-rated, ensuring protection against dust and water, making it suitable for both indoor and outdoor environments.

Push-Push Mechanism

Unlike momentary pushbuttons that require continuous pressure, the push-push mechanism allows users to activate the switch with one press and release it with another. This function is useful in applications where maintaining the ON state without constant pressure is needed.

Compact and Ergonomic Design

The flush design of the XB7NH21 ensures a sleek and space-efficient installation. Its standard 22 mm diameter makes it compatible with most industrial and commercial control panels.

Secure and Easy Wiring

The pushbutton features screw clamp terminals, which provide strong and stable electrical connections. This makes the installation process easier and ensures long-term reliability without the risk of loose connections.

Reliable Performance

The XB7NH21 is designed for high-performance industrial environments, ensuring smooth and consistent operation even under frequent use. It has an electrical lifespan of up to 500,000 operations and a mechanical lifespan of up to 1,000,000 operations.

3. Advantages of Using Schneider XB7NH21

The Schneider XB7NH21 offers multiple advantages that make it an ideal choice for various applications. It is user-friendly, thanks to its push-to-activate and push-to-release function, making it easy to operate. Its reliable performance ensures smooth functioning even in demanding conditions.

Additionally, the XB7NH21 is a cost-effective solution, as its long lifespan reduces the need for frequent maintenance or replacement. Its versatile application makes it suitable for industrial, commercial, and automation systems. Moreover, its IP65 protection ensures durability in tough environments.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product Harmony XB7
Product or component type Push-button
Device short name XB7
Mounting diameter 22 mm
Sale per indivisible quantity 10
IP degree of protection IP20 (rear face) conforming to IEC 60529 IP65 (front face) conforming to IEC 60529
Shape of signaling unit head Round
Type of operator push and push-to-release
Operator profile Black flush
Contacts type and composition 1 NO
Connections - terminals Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to IEC 60947-1 Screw clamp terminals, 1 x 0.34...2 x 2.5 mm² without cable end conforming to IEC 60947-1
Device presentation Monolithic product
Complementary
CAD overall width 29 mm
CAD overall height 29 mm
CAD overall depth 51.5 mm
Terminals description ISO n°1 (13-14)NO
Product weight 0.021 kg
Device mounting Fixing hole - diameter: 22.5 mm 22.3 +0.4/0 conforming to IEC 60947-1
Fixing center >= 30 x 40 mm (support panel) metal - thickness: 1…6 mm >= 30 x 40 mm (support panel) plastic - thickness: 2…6 mm
Fixing mode Fixing nut beneath head: 2…2.4 N.m
Marking Unmarked
Contact operation Slow-break
Positive opening With NC contact conforming to IEC 60947-5-1 appendix K
Mechanical durability 300000 cycles
Tightening torque 0.8…1.2 N.m conforming to IEC 60947-1
Shape of screw head Cross compatible with JIS No 1 screwdriver Cross compatible with Philips no 1 screwdriver Cross compatible with pozidriv No 1 screwdriver Slotted compatible with flat Ø 4 mm screwdriver Slotted compatible with flat Ø 5.5 mm screwdriver
Short-circuit protection 4 A cartridge fuse type gG conforming to IEC 60947-5-1
[Ui] rated insulation voltage 250 V (pollution degree 3) conforming to IEC 60947-1
[Uimp] rated impulse withstand voltage 4 kV conforming to IEC 60947-1
[Ie] rated operational current 0.1 A at 250 V, DC-13, R300 conforming to IEC 60947-5-1 0.22 A at 125 V, DC-13, R300 conforming to IEC 60947-5-1 0.3 A at 240 V, AC-14, D300 conforming to IEC 60947-5-1 0.6 A at 120 V, AC-14, D300 conforming to IEC 60947-5-1
Electrical durability 1000000 cycles, DC-13, 0.3 A at 24 V, operating rate <216000 cyc/mn, load factor: 0.5 conforming to IEC 60947-5-1 appendix C 1000000 cycles, AC-15, 0.03 A at 230 V, operating rate <216000 cyc/mn, load factor: 0.5 conforming to IEC 60947-5-1 appendix C 1000000 cycles, AC-15, 0.09 A at 240 V, operating rate <108000 cyc/mn, load factor: 0.5 conforming to IEC 60947-5-1 appendix C
Electrical reliability Λ <= 10exp(-6) at 17 V, 5 mA conforming to IEC 60947-5-4
Environment
Protective treatment TH
Ambient air temperature for storage -40…70 °C
Ambient air temperature for operation -25…70 °C
Overvoltage category Class II conforming to IEC 61140
NEMA degree of protection NEMA 12 conforming to UL 50 E NEMA 3 conforming to UL 50 E
Standards IEC 60947-1 IEC 60947-5-1 UL 508 CSA C22.2 No 14 JIS C8201-5-1 JIS C8201-1
Product certifications GOST CCC
Vibration resistance 5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6
Shock resistance 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27 30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5 cm
Package 1 Width 3 cm
Package 1 Length 3 cm
Package 1 Weight 20 g
Contractual warranty
Warranty 18 months 

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