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Balluff – BKT000Y BKT 21M-002-P-S4 – Contrast sensors
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Quick facts
| Availability | Confirmed on request |
| Category | Contrast sensors |
| Lifecycle | Active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Datasheet | Manufacturer datasheet ↗ |
Shipping & availability
When can BKT000Y be shipped?
BKT000Y 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 BKT000Y 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 BKT000Y 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 BKT000Y, subject to availability and destination.
Balluff BKT000Y (BKT 21M-002-P-S4) — Contrast sensor. Series: 21M; Dimension: 12 x 50 x 42.5 mm; Interface: PNP: NO/NC; Input function: Key disable on/off Teach Contrast (switching point); Principle of optical operation: Diffuse sensor, focused. PartnerPLC supplies new, surplus and discontinued Balluff parts — request a quote for price, condition and lead time.
Specifications
Product
| Lifecycle | Active |
| Type designation | BKT 21M-002-P-S4 |
| Product group | Contrast sensors |
Key features
| Series | 21M |
| Dimension | 12 x 50 x 42.5 mm |
| Interface | PNP: NO/NC |
| Input function | Key disable on/off Teach Contrast (switching point) |
| Principle of operation | Contrast sensor |
| Principle of optical operation | Diffuse sensor, focused |
| Special optical feature | Coaxial Optics |
| Beam characteristic | Focused |
| Light type | White light |
| Light spot size | Ø 3.5 mm at 19 mm |
| Range | 17...21 mm |
| Connection | Connector, M12x1-Male, 4-pin |
| Housing material | Zinc, Die casting, Powder coated Aluminum |
| Material sensing surface | Glass |
| Operating voltage Ub | 10...30 VDC |
| Approval/Conformity | cULus CE UKCA WEEE |
Classifications
| ECLASS 14.0 | 27-27-09-06 |
| ETIM 9.0 | EC001820 |
| UNSPSC 11 | 39121528 |
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