3SU1150-1HB20-1CH0
ActifSIRIUS ACT Red Mushroom Emergency Stop (Push-Pull)
Red 40mm mushroom head emergency stop, Siemens SIRIUS ACT series. Push-pull reset, 22mm cutout, IP66/IP69K.
Applications courantes
Siemens emergency stop rated for safety-critical applications. The 40mm mushroom with twist-to-release meets EN/ISO 13850. Found on Siemens robot cells, CNC machine tools (Siemens SINUMERIK-controlled), and automotive assembly lines. When used with Siemens safety PLCs (F-series S7-1500F), this e-stop feeds into the safety program for SIL 3 rated emergency stop circuits. The yellow backing plate (sold separately as 3SU1900-0AB31) provides the required contrast per EN 60947-5-5.
Couramment utilisé sur
Spécifications
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Actuator Type
The button head style. Flush sits level with the bezel (prevents accidental presses). Extended protrudes for easy access.
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Mushroom Head
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Certifications
Third-party safety certifications. UL = required for US NEC installations. CE = EU compliance. CSA = Canadian standards.
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UL, CSA, CE, IEC 60947-5-5
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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Red
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Contact Configuration
Normally Closed — circuit is on until you press. Standard for stop/emergency functions. Wire in series with safety circuits.
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1NC
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Cutout Diameter
The hole size you drill in your panel to mount this button. 22mm is the most common industrial standard worldwide.
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22mm
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Head diameter
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40mm
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IP Rating
IP69K: Dust-tight and withstands high-pressure, high-temperature steam jets. Built for food processing washdown environments.
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IP66/IP69K
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Metal
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Mounting Type
How the button attaches to the panel. Panel mount is standard — installs through a cutout from the front.
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Panel
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Reset type
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Push-Pull
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Ceci est un composant modulaire. Pour un assemblage complet, vous pourriez également avoir besoin de :
Alternatives compatibles
Ces produits sont des correspondances fonctionnellement équivalentes d'autres fabricants.
Référence rapide d'installation
Panel cutout: 22mm. Mount with the yellow backing plate visible (required by EN/ISO 13850).
Wiring: Wire NC contacts in series with the safety relay input channels. Use dual-channel wiring for SIL 3 / PLe applications. Never wire directly to a motor contactor.
Testing: Press the e-stop and verify the machine stops within the required time. Test the reset mechanism. Repeat monthly per EN/ISO 13850.
Dimensions
Schéma de câblage
Dépannage
E-stop won't reset (twist/pull doesn't release)
Check for debris in the mechanism. For twist-release: turn clockwise 45-90 degrees. For push-pull: pull straight out firmly. If the mechanism is stuck, the internal latch may be damaged — replace the entire head assembly.
Machine doesn't stop when e-stop is pressed
Critical safety issue. Immediately lock out the machine. Check wiring — NC contacts must be in series with the safety relay. Verify the safety relay is functioning. A broken wire in an NC circuit should cause a stop, so check for a wiring bypass.
Safety relay faults after e-stop reset
The safety relay detects a cross-fault between the two monitoring channels. Check that both NC contacts on the e-stop are switching simultaneously. One contact may be welded closed — replace the contact block.
Où acheter
Fourchette de prix
$5.86 — $80.84
chez 4 distributeurs
Spécifications rapides
- Actuator Type
- Mushroom Head
- Certifications
- UL, CSA, CE, IEC 60947-5-5
- Color
- Red
- Contact Configuration
- 1NC
- Cutout Diameter
- 22mm
Ce qu'en disent les utilisateurs
“Running Siemens 3SU1150 e-stops on our bread line for over a year. They get hit with 80C caustic wash daily and still function perfectly. The twist-release mechanism hasn't degraded at all. Wouldn't go back to cheaper alternatives in this environment.”
En savoir plus
Sources de données
Spécifications et données produit issues des références suivantes.
Siemens 3SU1150-1HB20-1CH0 Product Page
https://sieportal.siemens.com/en-ww/products-services/detail/3SU11501HB201CH0
Consulté le March 29, 2026
