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**Valid until 31/01/2026 on many brands. You receive a 10% voucher — without minimum order value. Minimum purchase value = value of the goods kept and paid for. One voucher per customer and order, cannot be combined with other discount campaigns (voucher codes). Once registered, you’ll be awarded Silver status as part of our loyalty scheme, giving you up to 30% off selected brands. Discount cannot be subsequently deducted from the invoice amount. The following manufacturers are excluded from this offer: Anglepoise, Artemide, Axo Light, Bankamp, Beacon Lighting, Berliner Messinglampen, BOPP, Bover, Brumberg, Casafan, CMD, Decor Walther, DOMUS, EGGER Licht, EGLO, EGLO Connect, Escale, Faro Barcelona, Flos, Fontana Arte, Forestier, Foscarini, FRANDSEN, Fritz Hansen, GUBI, HEAVN, HerzBlut, ICONE, Idual, Ingo Maurer, Jieldé, Kartell, Knapstein, Ledvance Smart+, Louis Poulsen, Luceplan, LZF LAMPS, Marchetti, Marset, Masiero, Maytoni, Midgard, Nemo, Nordlux, Oluce, Philips, Philips Hue, PURE, Q-Smart-Home, Rotaliana, Serien Lighting, Slamp, Steinel, Tecnolumen, tint, Tom Dixon, TWINKLY, Umage, Westinghouse, WiZ.

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LED bay spotlight BY121P G4 LED200S/840 PSD NB

SKU
4026277
  • Color: grey, clear
  • Material: aluminium, polycarbonate
  • Light bulb: LED - 146 W in total
  • Supply voltage (volts): 230
All product details

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LED bay spotlight BY121P G4 LED200S/840 PSD NB
LED bay spotlight BY121P G4 LED200S/840 PSD NB

Integrated LEDs

Light Colour Temperature
Promotes focus and concentration - ideal for office spaces, conference rooms and outdoor security lighting.
Warm white Cool white Daylight
Light source
Colour temperature 4000 K
  • 50 days free returns
  • Up to 5 years guarantee
Product details Product description Downloads From the same series Accessories
Product details

Manufacturer

Brand:
Philips Professional
Item no.:
4026277

Colour & Design

Colour:
grey / transparent
Material:
Aluminium / Plastic (PC)

Dimensions

Height (cm):
44.5
Diameter (cm):
45
Net weight (kg):
10

Light Source

Light bulb:
LED - 146 W in total
Light bulb included:
Yes
Wattage (watts):
146
Integrated LEDs:
Yes
Luminous colour:
4000 K universal white
Lumens (lm):
20000
Colour rendering (Ra):
80
Beam angle:
55

Additional Functions

Dimmable:
Yes
Integrated dimmer:
Not included

Technical Specifications

IP code:
IP65
Protection class:
I
Supply voltage (volts):
230
Manufacturer information / person responsible for the EU
Manufacturer information Signify GmbH I.B.R.S. / C.C.R.I. Numero 10461 5600 VB Eindhoven (NL) Tel.
Warning symbols
Product description

Powerful BY121P LED high-bay spotlight, DALI, narrow beam (55°) The BY121P LED high-bay spotlight from the Philips CoreLine HighBay series provides effective illumination for production and storage areas with optimum energy efficiency; external dimmability enables further savings. The robust design consists of a grey aluminium housing and a polycarbonate diffuser. A hook for single-point suspension is included; alternatively, it can be mounted using a bracket (not included). The pre-assembled industrial plug facilitates connection - Includes ballast (PSD, Dali dimmable) - Beam angle: 55° - Ambient temperature during operation: - 30 °C to + 45 °C - IP code: IP65 - Impact resistance: IK07 - Connection cable (0.3 m) with 3-pin plug connector - Meets IFS/HACCP requirements for the food industry

Downloads
MANUAL
DATASHEET_EXTERN
Contact Us
Any questions about our products or services?

The Lights.co.uk Professional Team is happy to help.

020 4525 6865

Lights.co.uk Professional

  • Up to 5 years guarantee
  • Dedicated Account Managers and expert advice
  • The UK's largest selection of brands with over 2 million in-stock items

The strike-through prices correspond to the manufacturer's RRP. All prices include 20% VAT, delivery costs excluded.

¹ As a registered trade customer, you get up to 50% off on selected brands. In addition, electricians, architects, planners, as well as property and facility managers can receive special offers and conditions to suit their specific needs. For further details, please speak with your Account Manager.

² If the manufacturer offers a guarantee on the items we sell, you can benefit from up to 5 years coverage on the following brands — extending beyond the statutory warranty period: Arcchio, Bopp, Brumberg, CMD, Deko-Light, Dotlux, Erco, Escale, EVN, Glamox, Juliana, LTS, Lucande, Paulmann, Performance in Lighting, Philips, Regent, Ribag, RZB, Schuller, Siteco, SLV, Steinel, The Light Group, Westinghouse, WIBRE, XAL, Zumtobel.

For more information on warranty terms, please refer to our terms and conditions of sale.

³ Free delivery on orders over £50 (incl. 20% VAT) within the UK

⁴ The newsletter welcome voucher applies to orders over £99 (incl. 20% VAT), the following manufacturers are excluded from this offer.

⁵ Sales are limited to businesses, entrepreneurs, freelancers, and public institutions. We do not sell to private customers for personal use. All prices are in pounds and include VAT. Quotes are provided without obligation.

* Extra 10% off | Valid until 31/01/2026. You receive a 10% voucher — without minimum order value.  Minimum purchase value = value of the goods kept and paid for. One voucher per customer and order, cannot be combined with other discount campaigns (voucher codes). Once registered, you’ll be awarded Silver status as part of our loyalty scheme, giving you up to 30% off on selected brands. Discount cannot be subsequently deducted from the invoice amount. The following manufacturers are excluded from this offer.

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