.svg&w=240){kind=small}
Balluff – BLT0008 BLT 21M-001-N-S4 – Luminescence sensors
Request a Quote
Quick facts
| Availability | Confirmed on request |
| Category | Luminescence sensors |
| Lifecycle | Active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Datasheet | Manufacturer datasheet ↗ |
Shipping & availability
When can BLT0008 be shipped?
BLT0008 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 BLT0008 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 BLT0008 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 BLT0008, subject to availability and destination.
Balluff BLT0008 (BLT 21M-001-N-S4) — Luminescence sensor. Series: 21M; Dimension: 12 x 50 x 42.5 mm; Interface: NPN normally open/normally closed (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 | BLT 21M-001-N-S4 |
| Product group | Luminescence sensors |
Key features
| Series | 21M |
| Dimension | 12 x 50 x 42.5 mm |
| Interface | NPN normally open/normally closed (NO/NC) |
| Input function | Key disable on/off Teach Contrast (switching point) |
| Principle of operation | Luminescence sensor |
| Principle of optical operation | Diffuse sensor, focused |
| Special optical feature | Coaxial Optics |
| Beam characteristic | Focused |
| Light type | Ultraviolet light |
| Light spot size | Ø 1.5 mm at 10 mm |
| Range | 0...40 mm |
| Connection | Connector, M12x1-Male, 4-pin |
| Housing material | Zinc, Die casting, Powder coated Aluminium |
| Material sensing surface | Glass |
| Operating voltage Ub | 10...30 VDC |
| Approval/Conformity | cULus CE WEEE EAC |
Classifications
| ECLASS 14.0 | 27-27-09-08 |
| ETIM 9.0 | EC001822 |
| UNSPSC 11 | 39121528 |
More Balluff parts
Available on requestBLG0004 BLG 1-015-210-070-PV01-SX – Light grids
Available on requestBLG0005 BLG 1-030-210-070-PV01-SX – Light grids
Available on requestBLT0003 BLT 18KF-001-P-02 – Luminescence sensors
Available on requestBLT0004 BLT 18KF-001-P-S4 – Luminescence sensors
Available on requestBLT0009 BLT 21M-001-P-S4 – Luminescence sensors
Available on requestBLT000A BLT 31M-001-U-S92 – Luminescence sensors
Available on requestBLT000C BLT 31M-002-U-S92 – Luminescence sensors
Available on requestBMF0004 BMF 273K-NS-C-2A-PU-05 – Cylinder sensors for multiple slot shapes