Emergency electrical STOP button Open+Close switch 400v 10A

Description

Ø 40 mm Mushroom Head – Twist + Pull to Release – 1 NC + 1 NO Contact

Compact and durable emergency stop / knock-off button housed in a thermoplastic enclosure with a red Ø 40 mm mushroom actuator. Designed for machine panels, pneumatic systems, and process-control applications where fast and reliable emergency isolation is essential. The switch operates with snap-action contacts, featuring twist + pull release for safe manual reset.

General Specifications
Casing Material: Thermoplastic
Electrical Connection: 2x M20 knockout holes
Operator: Emergency stop button ECX 1147 – Twist + Pull to Release
Micro switch: 1x NC & 1x NO
Connecting Terminals: Screw with captive cable clamp
Connecting Cables: 1 or 2 conductors – 0.5 to 2.5 mm²
Enclosure Dimensions: L68 x W68 x H50 mm (Push button, Shroud, Key excluded)

Mechanical Specifications
Operating Temperature: -40 to +70°C
Mechanical Durability: 300,000 operations
B10d reliability metric: 600,000 operations
Max switching frequency: 3600 cycles an hour

Electrical Specifications
Protection against electrical shocks: Class II – (Double Insulated)
Rated Insulating Voltage Ui (V): 690 V AC
Pollution Degree: 3 (Industrial Environment)
Contact Rating Secondo UL508: A 600 (120-600vAC >10Amp) Q300 (125-300vDC >1 Amp)
Rated Impulsive voltage: 8 kV
Conventional thermal current in air free lth (0 min 40° C): 10 Amperes
Rated operational current le – AC – 15 (50-60Hz) (Vac – A): 24vAC = 10Amp, 240vAC = 6 amp, 400vAC = 4 Amp
Rated operational current DC-13 (Vdc-A): 24vDC = 2.8Amps, 125vDC=0.55Amps, 250vDC=0.27Amps
Resistance between contacts (mΩ): 25 (milli-ohms)

Protection
IP Ingress Protection: IP65

Strike RED knob cut off electrical supply, rotating the knob clockwise resets the switch.

Includes normally closed and normally open 400 volts rated CE Switch.
Can be wired as:

1. strike to cut power (via normally closed circuit switches 1+2 - strike red knob will open circuit and stop power)

and / or

2. strike to apply power (via Normally open circuit switches 3+4 - strike red knob will close circuit and apply power).

Conforms to IEC/EN60947-5-1.

KOB-1 Operation is by hand \PUSH\ on the Red mushroom button with Reset turn anti-clockwise.
KR-KOB-1 Operation by hand \PUSH\ on Red mushroom button with Reset KEY, unlock turn anti-clockwise. (2 Keys supplied, number 455).
KOB-S1 Operation by hand \PUSH\ on Red mushroom button behind shroud, Reset turn anti-clockwise.

Emergency stop button also known as EPO button Emergency Power Off button is designed for use in boiler rooms with gas valves or fire valves and other accessory equipment as an emergency button to instantly cut the power supply to isolate and render equipment safe and to sound an alarm. Activation is by manual hand pressure against the RED button.

Technical Specification

Reviews

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