We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Honeywell Safety Interlock Switch: GKM Series - Key-Actuated Safety-Interlock Switches
HoneywellKey-Actuated Safety-Interlock Switches

Honeywell Safety Interlock Switch: GKM Series

The Honeywell GKM Series Key-Actuated Safety-Interlock Switch (MPN GKMB33) is a safety interlock switch with a 1NO/1NC contact configuration. It features a pivoting actuating key type, a top key hole location, and a…

SKU 3G-OTH-30631

Brand
Honeywell
Item
Safety Interlock Switch: GKM Series
Category
Key-Actuated Safety-Interlock Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Honeywell
Manufacturer Part Number
GKMB33
Series
GKM
Key Hole Location
Top
Actuating Key Type
Pivoting
Terminal Connection Type
4 Pin M12
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Honeywell GKM Series Key-Actuated Safety-Interlock Switch (MPN GKMB33) is a safety interlock switch with a 1NO/1NC contact configuration. It features a pivoting actuating key type, a top key hole location, and a 4 Pin M12 terminal connection type.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Honeywell GKMB33 safety interlock switch used for?

The Honeywell GKMB33 is a key-actuated safety-interlock switch used to monitor the position of movable guards on industrial machinery. It helps prevent machine operation when the guard is open, protecting operators in applications like packaging, material handling, and automated assembly lines.

What are the specifications of the Honeywell GKMB33?

The Honeywell GKMB33 is part of the GKM Series with a 1NO/1NC contact configuration. It features a pivoting actuating key type, a top key hole location, and a 4 Pin M12 terminal connection. The manufacturer part number is GKMB33, and it is designed for safety interlock applications.

Where to buy the Honeywell GKMB33 worldwide?

3G Electric supplies the Honeywell GKMB33 safety interlock switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this Honeywell GKM Series switch globally.

How to install the Honeywell GKMB33 safety interlock switch?

Mount the Honeywell GKMB33 on the fixed part of the guard and align the pivoting key with the actuator on the movable part. Connect the 4 Pin M12 connector per the wiring diagram, ensuring the 1NO/1NC contacts are correctly wired into the safety circuit. Follow generic best practices for safety interlock installation.

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 key-actuated safety-interlock switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
HONEYWELL Safety Interlock Switch: GK Series, 2NO/2NC, 90° Right Angle (MPN GKBA14L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA14L7; Actuating Key Type: 90°; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
Honeywell
HONEYWELL Safety Interlock Switch: GK Series, 2NO/2NC, 90° Right Angle (MPN GKBA14L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA14L7; Actuating Key Type: 90°; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
HONEYWELL Safety Interlock Switch: GKN Series, 1NO/2NC (MPN GKNA21). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKNA21; Actuating Key Type: Spring; Key Hole Location: Top; Series: GKN; Terminal Connection Type: 1/2 in NPT Conduit.
Honeywell
HONEYWELL Safety Interlock Switch: GKN Series, 1NO/2NC (MPN GKNA21). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKNA21; Actuating Key Type: Spring; Key Hole Location: Top; Series: GKN; Terminal Connection Type: 1/2 in NPT Conduit.
HONEYWELL Safety Interlock Switch: GKE Series, 1NO/1NC (MPN GKEA03L). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKEA03L; Actuating Key Type: Flat; Key Hole Location: Top; Series: GKE; Terminal Connection Type: 1/2 in NPT Conduit.
Honeywell
HONEYWELL Safety Interlock Switch: GKE Series, 1NO/1NC (MPN GKEA03L). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKEA03L; Actuating Key Type: Flat; Key Hole Location: Top; Series: GKE; Terminal Connection Type: 1/2 in NPT Conduit.
HONEYWELL Straight Actuating Key: GKE/GKM Series, Straight (MPN GKZ51M). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKZ51M; Series: GKM; Product Type: Straight Actuating Key.
Honeywell
HONEYWELL Straight Actuating Key: GKE/GKM Series, Straight (MPN GKZ51M). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKZ51M; Series: GKM; Product Type: Straight Actuating Key.
HONEYWELL Right Angle Actuating Key: GKN Series, 90° Right Angle (MPN GKZ42). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKZ42; Series: GKN; Product Type: Right Angle Actuating Key; Actuating Key Type: 90°.
Honeywell
HONEYWELL Right Angle Actuating Key: GKN Series, 90° Right Angle (MPN GKZ42). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKZ42; Series: GKN; Product Type: Right Angle Actuating Key; Actuating Key Type: 90°.

More from Honeywell

View all Honeywell parts
HONEYWELL Safety Interlock Switch: GKN Series, 3NC (MPN GKNA30). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKNA30; Actuating Key Type: Spring; Contact Form: 3NC; Key Hole Location: Front; Series: GKN; Terminal Connection Type: 1/2 in NPT Conduit.
Honeywell
HONEYWELL Safety Interlock Switch: GKN Series, 3NC (MPN GKNA30). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKNA30; Actuating Key Type: Spring; Contact Form: 3NC; Key Hole Location: Front; Series: GKN; Terminal Connection Type: 1/2 in NPT Conduit.
HONEYWELL Safety Interlock Switch: GK Series, 1NO/1NC, 90° Right Angle (MPN GKBA3L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA3L7; Actuating Key Type: 90°; Key Hole Location: Top; Series: GK; Terminal Connection Type: 10 Pin.
Honeywell
HONEYWELL Safety Interlock Switch: GK Series, 1NO/1NC, 90° Right Angle (MPN GKBA3L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA3L7; Actuating Key Type: 90°; Key Hole Location: Top; Series: GK; Terminal Connection Type: 10 Pin.
HONEYWELL Safety Interlock Switch: GK Series, 4NC, 90° Right Angle (MPN GKBA10L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA10L7; Actuating Key Type: 90°; Contact Form: 4NC; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
Honeywell
HONEYWELL Safety Interlock Switch: GK Series, 4NC, 90° Right Angle (MPN GKBA10L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA10L7; Actuating Key Type: 90°; Contact Form: 4NC; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
HONEYWELL Safety Interlock Switch: GKE Series, 2NC (MPN GKEA06L). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKEA06L; Actuating Key Type: 90°; Key Hole Location: Top; Series: GKE; Terminal Connection Type: 1/2 in NPT Conduit.
Honeywell
HONEYWELL Safety Interlock Switch: GKE Series, 2NC (MPN GKEA06L). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKEA06L; Actuating Key Type: 90°; Key Hole Location: Top; Series: GKE; Terminal Connection Type: 1/2 in NPT Conduit.
HONEYWELL Safety Interlock Switch: GKE Series, 1NO/1NC (MPN GKEA01L). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKEA01L; Actuating Key Type: 90°; Key Hole Location: Top; Series: GKE; Terminal Connection Type: 1/2 in NPT Conduit.
Honeywell
HONEYWELL Safety Interlock Switch: GKE Series, 1NO/1NC (MPN GKEA01L). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKEA01L; Actuating Key Type: 90°; Key Hole Location: Top; Series: GKE; Terminal Connection Type: 1/2 in NPT Conduit.
HONEYWELL Safety Interlock Switch: GK Series, 1NO/3NC (MPN GKBA16L6). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA16L6; Actuating Key Type: Flat; Contact Form: 3NC; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
Honeywell
HONEYWELL Safety Interlock Switch: GK Series, 1NO/3NC (MPN GKBA16L6). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA16L6; Actuating Key Type: Flat; Contact Form: 3NC; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
HONEYWELL Safety Interlock Switch: GK Series, 1NO/1NC, 90° Right Angle (MPN GKBA1L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA1L7; Actuating Key Type: 90°; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
Honeywell
HONEYWELL Safety Interlock Switch: GK Series, 1NO/1NC, 90° Right Angle (MPN GKBA1L7). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKBA1L7; Actuating Key Type: 90°; Key Hole Location: Front; Series: GK; Terminal Connection Type: 10 Pin.
HONEYWELL Safety Interlock Switch: GKM Series, 1NO/1NC (MPN GKMB23). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKMB23; Actuating Key Type: 90°; Key Hole Location: Top; Series: GKM; Terminal Connection Type: 4 Pin M12.
Honeywell
HONEYWELL Safety Interlock Switch: GKM Series, 1NO/1NC (MPN GKMB23). Key specifications — Brand: HONEYWELL; Manufacturer Part Number: GKMB23; Actuating Key Type: 90°; Key Hole Location: Top; Series: GKM; Terminal Connection Type: 4 Pin M12.