BL SERIES

1NO1NC SNAP

This 1NO1NC snap-action switch delivers precise activation, strong insulation, and reliable electrical performance, supported by a rugged die-cast aluminium body designed for demanding industrial sensing applications.

Suitable for Industries:

Conveyor Monitoring & Bulk Handling Plants

Heavy-Duty Safety Shutdown Systems

Industrial Packaging & Sorting Automation

Key Feature

BL Series

1NO1NC SNAP Switches

Model No:

BL100PB

Actuator:

Plunger

Model No:

BL100PBA

Actuator:

Adjustable Plunger

Model No:

BL100R

Actuator:

Roller Plunger

Model No:

BL200PBA

Actuator:

Adjustable Side Plunger

Model No:

BL200R

Actuator:

Side Roller Plunger

Model No:

BL300BS

Actuator:

Belt Sway

Model No:

BL300L1/2/3

Actuator:

Crank Lever

Model No:

BL300LA

Actuator:

Adjustable Crank Lever

Model No:

BLCW

Actuator:

Cat Whisker

Model No:

BL300BS

Actuator:

Spring Rod

Model No:

BL500NR

Actuator:

Offset Polymer Rod

Model No:

BL500SR

Actuator:

Offset Steel Rod

Model No:

BL300LA50R

Actuator:

Adjustable Crank Lever With Rubber Roller

Electrical Specifications

Current Rating

10A

Voltage Rating

500V

Contact Resistance:

< 10 milliohms

Insulation Resistance:

> 200 megaohms at 1000 V DC

General Information

Contact Configuration:

1 Normally Open (NO) + 1 Normally Closed (NC)

Operation:

Snap-action

Certifications:

CE Approved

Material & Build

Material:

Aluminium die-cast

Color:

Blue / Black

Fields

Applications & Industries

Conveyor Monitoring & Bulk Handling Plants

Heavy-Duty Safety Shutdown Systems

Industrial Packaging & Sorting Automation

Case Study

Real-World Profit Impact

Enhanced reliability through precision snap switching

Bulk Conveyor Automation

Reduced belt-tracking faults and emergency halts significantly, improving conveyor uptime by nearly twenty-five percent.

Integrating the 1NO1NC snap switch in conveyor monitoring systems provided accurate misalignment detection. Its responsive mechanism prevented belt drift, reduced downtime, and boosted operational stability across high-load, continuous-running industrial environments.

Features

Robust Industrial Control

Advantages that matter for your industrial operations

Rugged Construction

Die-cast aluminium housing resists mechanical stress, ensuring dependable operation even under frequent vibration and heavy industrial loads.

Electrical Safety

High insulation resistance and robust snap contacts protect circuits from leakage, maintaining secure switching in demanding conditions.

Long Operational Life

Low contact resistance reduces internal wear, allowing thousands of consistent switching cycles with minimal degradation over time.

Environmental Resistance

Strong enclosure and insulated internals prevent dust and moisture intrusion, supporting reliable use across varied temperature ranges.

Application Flexibility

Wide actuator options enable precise triggering for diverse industrial tasks, from safety shutdowns to conveyor alignment.

Standards

Certifications & Compliance

ISO Certified

International quality management standards

CE Marking

European conformity certification

RoHS Compliant

Environmentally responsible manufacturing

FAQ

Frequently Asked Questions

What does a 1NO1NC configuration mean?

It includes one Normally Open and one Normally Closed contact for dual-state detection.

What is snap-action switching?

fast, decisive switching mechanism that activates with minimal movement.

What is the operating voltage?

It works safely across common industrial supply levels up to its rated limits.

What is the voltage rating?

It supports applications up to 500V.

Is the switch electrically reliable?

Yes, with <10mΩ contact resistance for clean conductivity.

What insulation level does it offer?

More than 200MΩ at 1000V DC.

What material is used for the housing?

A durable aluminium die-cast body suited for heavy industrial use.

What temperature range can it withstand?

Operational from –5°C to +85°C.

Are actuator types interchangeable?

Yes, depending on mechanical requirements such as plunger, lever, rod, or whisker.

Where are these switches typically applied?

Conveyors, packaging machinery, safety interlocks, belt sway detection, and automation systems.

Ready to Order?

Get in touch with our sales team or download technical documentation