3SU1130-0AB20-3CA0
В производствеSiemens SIRIUS ACT 3SU1 Red Flush Pushbutton 1NC (3SU1130-0AB20-3CA0)
Siemens SIRIUS ACT red guarded push button.
Типичные применения
Metal front ring with protective guard. Prevents accidental activation on Siemens panels.
Характеристики
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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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Flat (flush)
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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
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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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Device type
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SIRIUS ACT 3SU1 complete pushbutton (red flat, 1NC, momentary)
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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 / IP67 / IP69
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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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Plastic with metal front ring
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Pn note
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Corrected: 3SU1130-0AB20-3CA0 = red FLAT (flush) momentary pushbutton, 1NC (Siemens datasheet), NOT guarded/shrouded. Guarded/Shrouded is a recurring mislabel template (cf #450 projecting, #451 mushroom).
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Pn status
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actuator-corrected
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Краткое руководство по монтажу
Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).
Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.
Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.
Габаритные размеры
Схема подключения
Устранение неисправностей
Button doesn't respond when pressed
Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.
Works intermittently
Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.
Button feels mushy or doesn't click
The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.
Где купить
Диапазон цен
$72.94 — $187.35
у 3 дистрибьюторов
Краткие характеристики
- Actuator Type
- Flat (flush)
- Certifications
- UL, CSA, CE
- Color
- Red
- Contact Configuration
- 1NC
- Cutout Diameter
- 22mm
Что говорят пользователи
“Metal front ring with protective guard. Prevents accidental activation on Siemens panels.”
