XB2 BS442 BS445 XB2-BS542 BS521 BS531 BS545 60MM BS621 BS631 BS642 turn to release Emergency Stop Push Button Switch
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XB2-BS442/BS542 60mm Turn to Release Emergency Stop Button
Switch Combination:1NC
Whether the smart:NO
Brand Name:Newtrend or OEM brand
LED:NO
Place of Origin:China
Max. Current:10A
Model Number:XB2-BS
Max. Voltage:380V
IP level:IP53
Protection Level:IP65/IP66/IP67
Whether the smart:NO
Brand Name:Newtrend or OEM brand
LED:NO
Place of Origin:China
Max. Current:10A
Model Number:XB2-BS
Max. Voltage:380V
IP level:IP53
Protection Level:IP65/IP66/IP67
Rated Voltage
Size
Description
Additional information
| Weight | 2 kg |
|---|---|
| Dimensions | 25 × 25 × 25 cm |
| Size |
22mm |
| Rated Voltage |
12V, 24V, 110V, 240V |
Technical Datasheet & Downloads
Technical Documentation & Product Specifications
Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for XB2-BS442/BS542 60mm Turn to Release Emergency Stop Button.
Official Technical Datasheet (PDF)
Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
2D/3D CAD & Dimensional Drawings
STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Technical FAQ & Selection Guide
Frequently Asked Technical Questions & Selection Guide
Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.
Voltage & Load Sizing
How to verify rated operational voltage, frequency, and load duty cycle?
A
Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.
Protection & Environment
What ingress protection (IP Rating) and environmental enclosures are recommended?
A
For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.
Selectivity & Grading
How to ensure upstream and downstream coordination in power distribution boards?
A
Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.
Installation & Mounting
What mounting rails, busbars, and spatial clearances are required?
A
Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.
Conductor & Torque Sizing
What conductor sizes and terminal tightening torques should be applied?
A
Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.
