The Moujen MN-5161 is a flexible rod limit switch that uses a wobble lever coil actuator instead of a rigid arm or plunger. The coil bends in whichever direction the moving part pushes it, and that movement operates the contacts. Because it does not care about approach angle, it works where a fixed lever would simply be missed.

The flexible rod is also what keeps it alive on a busy line. A rigid lever bends permanently or snaps when a load overruns, and the switch is scrap. A coil actuator flexes, absorbs the impact and returns to shape, so an overrun is just another cycle. On conveyors, trolleys and material handling runs where a load can swing or drift, that difference shows up in replacement costs.

At 10A on 250V AC it carries double the current of a typical 5A mini switch, and the 0.5A 125V DC rating covers PLC inputs. The side mount body fits flat along a machine frame or guide rail, and oil tight waterproof construction with IP65 sealing holds up where coolant, dust and washdown reach the switch. UL and CE approvals cover it for export machinery.

Key Features

Flexible rod coil actuator responds to contact from any direction
Flexes instead of breaking when a load overruns
10A at 250V AC and 0.5A at 125V DC ratings
Side mount body sits flat along frames and guide rails
IP65 sealing with oil tight waterproof construction
Wide operating speed range from 0.01mm to 50cm per second
UL Listed and CE Mark certified
Compact 0.1kg body from Moujen Taiwan

Technical Specifications

Specification	Detail
Product Type	Side Mount Mini Limit Switch
Range of Product	MN Series
Model	MN-5161
Actuator	Flexible Rod Wobble Lever Coil
Mounting	Side Mount
AC Rating	10A 250VAC
DC Rating	0.5A 125VDC
Operating Speed	0.01mm to 50cm per second
Degree of Protection	IP65
Construction	Oil Tight and Waterproof
Certification	UL Listed, CE Mark
Brand	Moujen
Country of Origin	Taiwan
Weight	0.1kg
SKU	MN5161

Common Applications

Trolley and carriage detection on overhead conveyors, pallet and load sensing in material handling, detecting swinging or irregular objects on a moving line, end of travel protection where the approach angle varies, textile and paper machines where a web or thread needs gentle sensing, packaging and bottling lines, and anywhere a rigid actuator keeps getting bent.

Choosing the Right Actuator

The actuator decides everything, and it comes down to how the moving part arrives. A wobble lever suits multi directional or unpredictable contact. Where the target is away from the switch but the approach is consistent, the adjustable rod limit switch AZ-8107 uses a rod you can bend or cut to length. For contact from any direction at 5A duty, the spring limit switch AZ-8166 is the lower cost alternative.

Where travel is straight and repeatable, a lever or roller is more precise. The lever limit switch AZ-7120 is a compact side mount unit, the adjustable roller lever limit switch AZ-8108 adds a settable lever with a roller tip, and the cross roller plunger limit switch ME-8122 takes a direct push. For heavy equipment such as lifts and cranes, the big wheel limit switch AZ-5108L gives a wide IP67 rated contact face.

Browse the full side mount limit switch range or the wider limit and micro switches category.

Why Buy From Qahraba

Qahraba supplies electrical contractors, panel builders and machine builders across the UAE and worldwide. Local UAE orders ship within 1 to 2 working days, free above AED 250, or collect free from our Dubai store. Call or WhatsApp +971 52 913 9543 for bulk pricing.

FAQ,s

What is a flexible rod limit switch?

It is a limit switch with a bendable coil rod as the actuator instead of a rigid lever. Anything touching the rod from any direction bends it, and that movement trips the contacts.

What does wobble lever mean?

Wobble lever describes an actuator that pivots in any direction rather than on a single axis. It is the same thing as a cat whisker or coil spring actuator.

Why choose this over a standard lever?

Two reasons. It detects contact from any angle, and it survives overrun. A rigid lever bends or breaks when a load goes past the switch, while a coil just flexes and springs back.

Can it connect directly to a PLC?

Yes. The 0.5A 125V DC rating covers standard 24V DC PLC inputs, and the 10A 250V AC rating allows direct AC control switching.

Is the MN-5161 suitable for wet or oily areas?

Yes. It is IP65 rated with oil tight waterproof construction, so it suits machine shops with coolant, washdown areas and conveyor lines.

What is the difference between this and the AZ-8166 spring switch?

Both use a flexible actuator. The MN-5161 is rated 10A and side mount, while the AZ-8166 is rated 5A. Choose on current rating and mounting orientation.

Flexible Rod Wobble Lever Limit Switch 10A IP65 MN-5161 Moujen