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Honeywell Magnetically Actuated Safety Interlock Switch: FF5 Series, 1NO/2NC - DC Safety-Interlock Switches
HoneywellDC Safety-Interlock Switches

Honeywell Magnetically Actuated Safety Interlock Switch: FF5 Series, 1NO/2NC

The HONEYWELL FF5 Series is a magnetically actuated DC safety-interlock switch with a 1NO/2NC contact configuration and a 9.8 ft pre-cabled termination (MPN FF5-21-DC-03). This switch is designed for safety…

SKU 3G-OTH-30567

Brand
Honeywell
Item
Magnetically Actuated Safety Interlock Switch: FF5 Series, 1NO/2NC
Category
DC Safety-Interlock Switches
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Technical Specifications

Honeywell
Manufacturer Part Number
FF5-21-DC-03
Series
FF5
Type
1NO/2NC
Cable Lg
9.8 ft
Termination Type
Pre-Cabled
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Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HONEYWELL FF5 Series is a magnetically actuated DC safety-interlock switch with a 1NO/2NC contact configuration and a 9.8 ft pre-cabled termination (MPN FF5-21-DC-03). This switch is designed for safety interlocking applications in industrial equipment.

Frequently Asked Questions

What is the Honeywell FF5-21-DC-03 safety interlock switch used for?

The Honeywell FF5-21-DC-03 is a magnetically actuated safety interlock switch used to monitor the position of guards, doors, or covers on industrial machinery. It helps prevent hazardous machine operation when access points are open, supporting safety interlocking in automated production lines, packaging equipment, and material handling systems.

What are the specifications of the Honeywell FF5-21-DC-03?

The Honeywell FF5-21-DC-03 is a DC safety-interlock switch from the FF5 Series. It features a 1NO/2NC contact configuration, a 9.8 ft pre-cabled termination, and is magnetically actuated. The manufacturer part number is FF5-21-DC-03. It is designed for safety interlocking in industrial equipment.

Where to buy the Honeywell FF5-21-DC-03 worldwide?

You can source the Honeywell FF5-21-DC-03 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 genuine Honeywell safety switches to industrial buyers internationally.

How to install the Honeywell FF5-21-DC-03 safety interlock switch?

Mount the Honeywell FF5-21-DC-03 on a fixed machine frame and align the actuator on the movable guard. Connect the pre-cabled 9.8 ft leads to your safety circuit per the 1NO/2NC wiring diagram. Ensure the magnetic actuator gap is within the specified range. Follow generic safety switch installation best practices and verify operation before use.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell dc safety-interlock switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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