18666

Name: Festo 18666 Plug SEA-GS-7
Brand: Festo

Plug SEA-GS-7

The Festo industrial component, part number 18666, is a round, straight-outlet plug featuring an M12x1 A-coded electrical connection with 4 pins, a screw-type lock with longitudinal knurl, and a screw terminal secondary connection designed in accordance with EN 61076-2-101. Weighing 17 g, this unit operates across a DC and AC voltage range of 0 V to 250 V with a 4 A current rating at 40°C, a 2.5 kV surge resistance, and an IP67 degree of protection. It accommodates approved cable diameters from 4 mm to 6 mm via a Pg7 cable fitting and features a nominal conductor cross-section of 0.14 mm² to 0.75 mm² for mounting with a threaded sleeve. Submit the exact part number, quantity, and application requirements for a quote.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer: Festo
Part number: 18666
Data verification: Manufacturer evidence reviewed

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Verified configuration

Technical Specifications

Based on norm: EN 61076-2-101
Type of mounting: With threaded sleeve
Cable outlet: Straight
Product weight: 17 g
Electrical connection 1, design: Round
Electrical connection 1, connection type: Plug
Electrical connection 1, connection technology: M12x1 A-coded as per EN 61076-2-101
Electrical connection 1, number of pins/wires: 4
Electrical connection 1, type of mounting: Screw-type lock with longitudinal knurl
Electrical connection 2, connection technology: Screw terminal
Electrical connection 2, number of pins/wires: 4
DC operating voltage range: 0 V...250 V
Operating voltage range AC: 0 V...250 V
Current rating at 40° C: 4 A
Surge resistance: 2.5 kV
Cable tting: Pg7
Cable diameter: 3.3 mm...6 mm
Approved cable diameter: 4 mm...6 mm
Nominal conductor cross section: 0.14 mm²...0.75 mm²
Degree of protection: IP67
Note on degree of protection: In mounted state
Ambient temperature: -40 °C...85 °C
CE marking (see declaration of conformity): As per EU low voltage directive
UKCA marking (see declaration of conformity): To UK instructions for electrical equipment
LABS (PWIS) conformity: VDMA24364-B2-L
Note on materials: RoHS-compliant
Contamination level: 3
Corrosion resistance class (CRC): 2 - Moderate corrosion stress
Housing material: PBT
Housing colour: Black

Engineering context

Identification and RFQ Guidance

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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 18666. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.