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Balluff – BOS0034 BOS 21M-PUS-LH12-S4 – Diffuse sensors
Discontinued by Balluff — we can still source the original BOS0034 (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Diffuse sensors |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Recommended replacement | BOS01Z9 |
| Datasheet | Manufacturer datasheet ↗ |
Shipping & availability
Can I still buy the BOS0034 now that it is discontinued?
Yes. Balluff has discontinued the BOS0034, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time. If you are planning an upgrade instead, Balluff names the BOS01Z9 as its successor — we can quote both.
When can BOS0034 be shipped?
BOS0034 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 BOS0034 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 BOS0034 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 BOS0034, subject to availability and destination.
Balluff BOS0034 (BOS 21M-PUS-LH12-S4) — Diffuse sensor. Series: 21M; Dimension: 15 x 50 x 42.5 mm; Interface: PNP normally open/normally closed (NO/NC); Input function: Key disable on/off Same function as button; Principle of optical operation: Diffuse sensor, triangulation. Discontinued by Balluff; Balluff names BOS01Z9 as alternative. PartnerPLC supplies new, surplus and discontinued Balluff parts — request a quote for price, condition and lead time.
Specifications
Product
| Lifecycle | Discontinued by Balluff |
| Type designation | BOS 21M-PUS-LH12-S4 |
| Product group | Diffuse sensors |
| Balluff alternatives | BOS01Z9 |
Key features
| Series | 21M |
| Dimension | 15 x 50 x 42.5 mm |
| Interface | PNP normally open/normally closed (NO/NC) |
| Input function | Key disable on/off Same function as button |
| Principle of operation | Photoelectric sensor |
| Principle of optical operation | Diffuse sensor, triangulation |
| Special optical feature | Background suppression |
| Beam characteristic | Focus, typical at 70 mm |
| Light spot size | Ø 1 mm at focal point |
| Light type | Laser red light |
| Range | 50...100 mm |
| Connection | Connector, M12x1-Male, 4-pin |
| Housing material | Zinc, Die casting, Powder coated Aluminium |
| Material sensing surface | PMMA |
| Operating voltage Ub | 10...30 VDC |
| Approval/Conformity | CE cULus EAC |
Classifications
| ECLASS 14.0 | 27-27-09-03 |
| ETIM 9.0 | EC002719 |
| UNSPSC 11 | 39121528 |
More Balluff parts
Available on requestBOS0030 BOS 21M-NUS-RV13-S4 – Diffuse sensor with background suppression
Available on requestBOS0031 BOS 21M-PA-ID10-S4 – Diffuse sensors
Available on requestBOS0032 BOS 21M-PA-LD10-S4 – Diffuse sensors
Available on requestBOS0033 BOS 21M-PA-RD10-S4 – Diffuse sensors
Available on requestBOS0035 BOS 21M-PUS-RH12-S4 – Diffuse sensors
Available on requestBOS0036 BOS 21M-PUS-RV13-S4 – Diffuse sensor with background suppression
Available on requestBOS003M BOS 74K-UU-1FR-BO-Z-02 – Fiber-based devices for plastic and glass fibers
Available on requestBOS003N BOS 74K-UU-1FR-BO-Z-S49-00,2 – Fiber-based devices for plastic and glass fibers