3998921

Name: Festo 3998921 Limit switch box SRBE-CA3-YR90-N-1-N-C2N12-C1
Brand: Festo

Limit switch box SRBE-CA3-YR90-N-1-N-C2N12-C1

The Festo 3998921 is a square industrial component designed based on EN 60947-5-2, ISO 5211, and VDI/VDE 3845 norms. It features RCM compliance, CE marking per EU EMC and RoHS directives, UKCA marking to UK instructions for EMC and RoHS, and CSA 263311 certification with extensive Class I, Class II, Class III, Zone 1, Zone 2, and Zone 21 explosion prevention ratings alongside AEx and Ex ignition protection for gas and dust. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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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: 3998921
Data verification: Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 3998921.

Worldwide sourcingSupport for planned and urgent industrial requirements.

Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Design: Square
Based on norm: EN 60947-5-2 | ISO 5211 | VDI/VDE 3845
Certication: RCM compliance mark
CE marking (see declaration of conformity): As per EU EMC directive | As per EU RoHS directive
UKCA marking (see declaration of conformity): To UK instructions for EMC | To UK RoHS instructions
Explosion prevention and protection: Class I, Div. 1 (CA) | Class I, Div. 1 (US) | Class I, Div. 2 (CA) | Class I, Div. 2 (US) | Class II, Div. 1 (CA) | Class II, Div. 1 (US) | Zone 1 (CA) | Zone 1 (US) | Zone 2 (CA) | Zone 2 (US) | Zone 21 (CA) | Zone 21 (US)
Type of ignition protection for gas: AEx nA IIC T5 Gc | Ex nA IIC T5 Gc
Type of (ignition) protection for dust: AEx tb IIIC T108°C Db | Ex tb IIIC T108°C Db
Explosion protection certication outside the EU: Class I, Div. 1 (CA) | Class I, Div. 1 (US) | Class I, Div. 2 (CA) | Class I, Div. 2 (US) | Class II, Div. 1 (CA) | Class II, Div. 1 (US) | Class III (CA) | Class III (US) | EPL Db (CA) | EPL Db (US) | EPL Gb (CA) | EPL Gb (US) | EPL Gc (CA) | EPL Gc (US)
Certicate issuing authority: CSA 263311

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

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.

What to include in your RFQ

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 3998921. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.