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

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RS Stock No.:
187-3489
Distrelec Article No.:
301-31-753
Mfr. Part No.:
1NT1-5
Brand:
Honeywell
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Brand

Honeywell

Contact Configuration

SPDT

Product Type

Toggle Switch

Switch Operation

On-Off-On

Switch Contact Current

20A

Mount Type

Bushing

Terminal Type

Screw

IP Rating

IP68, IP67

Illuminated

No

Panel Cutout Size

12.4 mm

Contact AC Voltage

277V ac

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

71°C

Height

26.7mm

Length

22mm

Standards/Approvals

UL, CSA, CE

Width

33.5mm

Series

NT

RoHS Status: Exempt

COO (Country of Origin):
US

Honeywell Series NT Toggle Switch, 20A Switch Contact Current, SPDT Contact Configuration - 1NT1-5


This toggle switch provides manual selection between two circuits with a centre-off position for straightforward control in industrial electrical systems. It is designed for panel mounting and mechanical actuation where a robust, non‑illuminated on‑off‑on arrangement is required. The device suits environments demanding sealed protection and standard regulatory recognition while operating across a wide temperature range.

Features and Benefits:


• SPDT contact configuration delivers single‑pole changeover functionality
• 20 A switching capacity supports high‑current control tasks
• 277V AC rating enables use on medium‑voltage AC circuits
• Bushing mount with screw terminals allows secure panel installation
• IP68/IP67 protection keeps internal contacts isolated from ingress
• Operable between −40 °C and 71 °C for harsh environment performance

Applications


• Suitable for motor control panels requiring manual circuit selection
• Ideal for industrial machinery operator stations with Compact cut‑outs
• Used with distribution equipment where high‑current switching is needed
• Can be used for field instruments exposed to dust and water ingress
• Suitable for retrofit control panels needing a Durable toggle Interface

What panel aperture is required to fit this switch?


The unit requires a 12.4mm diameter cut‑out to mount through the control panel.

How are electrical connections MADE to the switch?


Termination is by screw‑type terminals providing a secure mechanical and electrical connection for conductors.

What approvals support use in regulated installations?


It carries recognised UL, CSA and CE approvals for conformity with common safety and performance standards.

Is the switch illuminated for status indication?


No, the design does not incorporate any illumination features.

What are the external dimensions for planning panel layout?


The switch occupies a face footprint of 33.5mm by 26.7mm for clearance and mounting considerations.

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