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APPLETON ELECTRIC Mechanical Interlock: 250V DC/600V AC, Three Phase, 60 A, 4 Pole - Hazardous Location Interlocks
APPLETON ELECTRICHazardous Location Interlocks

APPLETON ELECTRIC Mechanical Interlock: 250V DC/600V AC, Three Phase, 60 A, 4 Pole

The APPLETON ELECTRIC Mechanical Interlock (MPN FSQC5640) is a Hazardous Location Interlock rated for 250V DC/600V AC, three-phase, 60 A, 4 pole, 3 wire. It is designed for Class III hazardous locations and does not…

SKU 3G-OTH-13440

Also listed as: FSQC 5640 · FSQC-5640

Brand
APPLETON ELECTRIC
Item
Mechanical Interlock: 250V DC/600V AC, Three Phase, 60 A, 4 Pole
Category
Hazardous Location Interlocks
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APPLETON ELECTRIC
Manufacturer Part Number
FSQC5640
Type
Three Phase, 60 A
Pole
4
Wire
3
Reverse Service
No
Hazardous Location Class
Class III

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APPLETON ELECTRIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPLETON ELECTRIC Mechanical Interlock (MPN FSQC5640) is a Hazardous Location Interlock rated for 250V DC/600V AC, three-phase, 60 A, 4 pole, 3 wire. It is designed for Class III hazardous locations and does not offer reverse service.

Frequently Asked Questions

What is the APPLETON ELECTRIC Mechanical Interlock FSQC5640 used for?

The APPLETON ELECTRIC Mechanical Interlock FSQC5640 is used to safely control power in Class III hazardous locations, such as textile mills or woodworking facilities, where combustible fibers or flyings are present. It provides a mechanical interlock for three-phase, 60 A circuits up to 600V AC or 250V DC.

What are the specifications of the APPLETON ELECTRIC FSQC5640?

The APPLETON ELECTRIC FSQC5640 is a mechanical interlock rated for 250V DC and 600V AC, three-phase, 60 A, with 4 poles and 3 wires. It is designed for Class III hazardous locations and does not include reverse service. The manufacturer part number is FSQC5640.

Where to buy the APPLETON ELECTRIC FSQC5640 worldwide?

You can source the APPLETON ELECTRIC FSQC5640 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this hazardous location interlock to procurement teams globally.

How to select the right APPLETON ELECTRIC mechanical interlock for Class III locations?

To select the right APPLETON ELECTRIC mechanical interlock for Class III locations, verify the voltage rating (250V DC/600V AC), current rating (60 A), and pole/wire configuration (4 pole, 3 wire). Ensure the unit is marked for Class III and does not require reverse service. Consult the FSQC5640 datasheet for mounting and wiring details.

Used in

Common applications for APPLETON ELECTRIC
Oil and gas refineries — Appleton Electric EDSC21MC2 manual motor switch for controlling pumps in Class I, Division 1 areas
Chemical processing plants — Appleton Electric AEAB13420C hazardous location circuit breaker for motor protection in volatile environments
Pharmaceutical manufacturing — Appleton Electric FSK-1VDR weatherproof cover for duplex receptacles in washdown zones
Wastewater treatment facilities — Appleton Electric UNY250R-A aluminum conduit union for corrosion-resistant connections
Mining operations — Appleton Electric EDSC277-SA tandem 2-gang box for junction points in hazardous dust locations
Food and beverage processing — Appleton Electric JBK-75 iron cover for conduit access fittings in wet or dusty areas

APPLETON ELECTRIC Products

3G Electric supplies APPLETON ELECTRIC hazardous location interlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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