Product

Products
Back
Back Manufacturers
Back Automation
Back Control and Signalling
Back Detection
Back Enclosures
Back Motion and Mechatronics
- Robots
Back Motor Control
Back Power and Control
- Metering, Measurement, and Monitoring
- Power Supplies, UPS, and Transformers
Back Power and Protection
Back Safety
- Safety Relays
Back Variable Speed Drives and Soft Starters
Back Test
Back Smart Relays
- Zelio Logic
Back Indicators, Beacons, and Sounders
- Beacons and Sounders
- Pilot Lights
Back Pendant Control Stations
Back Push Buttons and Selector Switches
Back Relays and Timers
Back Enclosure Accessories
- Luminaires
Back Floor Mounted Enclosures
- Mild Steel Enclosures
- Stainless Steel Enclosures
Back Thermal Management
Back Wall Mounted Enclosures
Back Robots
- Robot Arms
Back Contactors and Motor Protection
Back Motor Protection and Overloads
- Contactor Overloads and Accessories
- Motor Circuit Breakers and Accessories
Back Motor Starters
- Enclosed Motor Starters
Back Metering, Measurement, and Monitoring
- Current Transformers and ACC's
- Meters
Back Power Supplies, UPS, and Transformers
- DC Power Supplies and ACC's
Back Circuit Breakers
Back Load Break Switches
- Non Fused Switch Disconnectors
Schneider-power-the-grid

0

Item details

Hole diameter

22.5

Colour button

Red

Suitable for illumination

No

Unlocking method

Key-release

Spring-return

No

Diameter cap

40

Suitable for emergency stop

Yes

Type of button

High

Colour front ring

Chrome

Degree of protection (IP)

IP66

Material front ring

Metal

With front ring

Yes

Construction type lens

Round

Switching function latching

Yes

ZB4BS944 | Schneider Electric

Emergency stop head, switching off, metal, red mushroom Ø40, Ø22, trigger latching key release

£ 37.44 -37%

£ 23.59

£ 28.30 inc. VAT

11 in stock

151 available on 06/11/2026