8LM2TB105
AttivoLovato 8LM2TB105 Yellow Flush Pushbutton Actuator (8LM Platinum, head-only)
Lovato 8LM yellow.
Applicazioni Comuni
Italian yellow caution button.
Specifiche
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Actuator Function
Momentary = springs back when released. Maintained/latching = stays pressed until pressed again.
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Momentary (spring return)
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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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CE, UL
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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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Yellow
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Contact Configuration
Normally Open — circuit is off until you press. Standard for start/go/enable functions.
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None integral (actuator/head-only; add Lovato 8LM2TC contact element + holder)
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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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Lovato 8LM Platinum pushbutton ACTUATOR/head (metal, yellow flush, spring return)
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IP Rating
IP65: Dust-tight and protected against low-pressure water jets. Suitable for indoor industrial and light washdown.
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IP65
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Pn note
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Corrected: 8LM2TB105 = yellow flush ACTUATOR (Lovato: pushbutton actuator, spring return); 8LM modular, contact element separate. Stored 1NO misattributed (cf #477/#478).
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Guida Rapida all'Installazione
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.
Dimensioni
Schema di Cablaggio
Risoluzione dei Problemi
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.
Dove Acquistare
Fascia di prezzo
$111.76 — $164.61
presso 2 distributori
Specifiche Rapide
- Actuator Function
- Momentary (spring return)
- Certifications
- CE, UL
- Color
- Yellow
- Contact Configuration
- None integral (actuator/head-only; add Lovato 8LM2TC contact element + holder)
- Cutout Diameter
- 22mm
Cosa Dicono gli Utenti
“Italian yellow caution button.”
Approfondisci
Classificazioni IP Spiegate
Cosa significano IP65, IP66, IP67, IP69K per la Sua applicazione
Guida 22mm vs 30mm
Quale dimensione del foro pannello Le serve?
Blocchi Contatti: NO vs NC
Come scegliere e cablare i blocchi contatti
Strumento Trova Pulsante
Trovi il pulsante giusto per tipo, dimensione e colore