Honeywell Toggle Switch, Bushing Mount, On-On, SPDT, Screw Terminal, 277 V ac

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RS Stock No.:
187-3490
Distrelec Article No.:
301-31-756
Mfr. Part No.:
1NT1-8
Brand:
Honeywell
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Brand

Honeywell

Contact Configuration

SPDT

Product Type

Toggle Switch

Switch Operation

On-On

Switch Contact Current

10A

Mount Type

Bushing

Terminal Type

Screw

IP Rating

IP67, IP68

Panel Cutout Size

12.4 mm

Actuator Length

17mm

Minimum Operating Temperature

-40°C

Contact AC Voltage

277V ac

Maximum Operating Temperature

71°C

Height

26.7mm

Length

22mm

Width

33.5mm

Standards/Approvals

UL, CE, CSA

Series

NT

COO (Country of Origin):
US

Honeywell Series NT Toggle Switch, 10A Switch Contact Current, 277V AC Contact AC Voltage - 1NT1-8


This toggle switch provides a rugged means to select between two circuits in industrial electrical systems. Designed for panel mounting with a bushing installation, it is intended for use where a straightforward mechanical On-On action is required and where screw‑type wiring termination is preferred.

Features and Benefits:


• Single pole double throw contact for switching two circuits simultaneously
• 10A contact rating enabling moderate current control in control panels
• 277V AC contact capability for higher‑voltage distribution applications
• IP67 and IP68 ingress protection for immersion and dust‑tight performance
• Screw terminals allow secure field wiring and straightforward maintenance
• Operating range from −40 to 71°C supports varied ambient conditions

Applications


• Suitable for control panels in automation cabinets
• Ideal for industrial machinery operator stations
• Used with electrical distribution modules requiring manual isolation
• Can be used for marine or outdoor equipment where waterproofing is necessary

What mounting hole size is required for panel installation?


The panel cut‑out must accommodate a 12.4mm bushing to ensure correct fit and sealing.

How is the switch actuated and what tactile feedback should be expected?


The actuator is a 17mm lever that provides a defined mechanical detent for positive On‑On position confirmation.

Which approvals support use in regulated installations?


It meets recognised safety and conformity standards including UL, CE and CSA for use in compliant systems.

What Terminal connection method is provided for wiring?


Termination is via screw‑style terminals designed for secure clamping of conductor ends during assembly.

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