Sick L21S-11MA1A

Safety light-beam sensors

MPN
L21S-11MA1A
Category
L21
Price and lead time confirmed within 1 business day
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What happens next
  1. We check stock, condition and lead time
  2. You get a written quote by email
  3. Approve it and we ship — in-stock parts within 1 business day
  • 12-month warranty (new) · 3-month (used/refurbished)
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What is the Sick L21S-11MA1A?

Safety light-beam sensors | L21 | L21S-11MA1A | System part: Sender | Safety level: PL c, SIL 1, Type 2 | Scanning range: 7 m | Diameter: M18 | Light source: LED | Type of light: Visible red light | Optical axis: Radial | Connection type: Male connector M12, 4-pin

Specifications

Features

Light sourceLED
Type of lightVisible red light
Scanning range7Â m
Number of beams1
Optical axisRadial
Response time0.2Â ms
Response time0.2Â ms + Test device response time

Safety-related parameters

TypeType 2Â (IECÂ 61496-1)Â 1)
Safety integrity levelSIL 1Â (IECÂ 61508)Â 1)
CategoryCategory 2Â (ENÂ ISOÂ 13849)Â 1)
Test rate (external test)100Â /s (ENÂ ISOÂ 13849)Â 2)
Maximum demand rate60 min⁻¹ (EN ISO 13849) 3)
Performance levelPL c (ENÂ ISOÂ 13849)Â 1)
PFHD (mean probability of a dangerous failure per hour)1.0 x 10-6 (EN ISO 13849) 1)
TM (mission time)20Â years (ENÂ ISOÂ 13849)

Interfaces

Connection typeMale connector M12, 4-pin, straight

Electronics

Protection classIII (IECÂ 61140)
Supply voltage VS24Â VÂ DC (19.2Â VÂ DCÂ ... 28.8Â VÂ DC)
Power consumption≤ 20 mA

Mechanics

DesignCylindrical
Dimensions (diameter x length)M18 x 107.7 mm
Front screen materialGlass
Weight67Â g

Ambient data

Enclosure ratingIP67 (ENÂ 60529)
Ambient operating temperature–40 °C ... +55 °C
Storage temperature–40 °C ... +75 °C
Air humidity15Â %Â ... 95Â %, Non-condensing
Vibration resistance5 g, 10 Hz ... 55 Hz (IEC 60068-2-6)
Shock resistance10Â g, 16Â ms (IECÂ 60068-2-27)

Other information

Light sourceLED
Type of lightVisible red light
Wave length660Â nm
Aperture angle/receiving angle± 5° / ± 5°

Certificates

EU declaration of conformity✔
UK declaration of conformity✔
ACMA declaration of conformity✔
Moroccan declaration of conformity✔
China RoHS✔
cTUVus certificate✔
EC-Type-Examination approval✔

Classifications

ECLASS 5.027272701
ECLASS 5.1.427272701
ECLASS 6.027272701
ECLASS 6.227272701
ECLASS 7.027272701
ECLASS 8.027272701
ECLASS 8.127272701
ECLASS 9.027272701
ECLASS 10.027272701
ECLASS 11.027272701
ECLASS 12.027272701
ETIM 5.0EC001831
ETIM 6.0EC001831
ETIM 7.0EC001831
ETIM 8.0EC001831
UNSPSC 16.090146171620

L21S-11MA1A: frequently asked questions

When can L21S-11MA1A be shipped?

L21S-11MA1A is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up L21S-11MA1A in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for L21S-11MA1A and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for L21S-11MA1A, subject to availability and destination.

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Sick L21S-11MA1APrice and lead time confirmed within 1 business day
Request a Quote