Round 21
Slim design and clear lines: the Round 21 integrates perfectly into the interior design and creates a pleasant atmosphere, especially in offices, foyers and public buildings. The housing in three different sizes and colours as well as different light distributions and lumen packages make the luminaire a real all-rounder. Whether on the ceiling, wall or as a suspended version with an indirect light component: With the Round 21 you are choosing a timeless classic.
Always in the right light
Producttypes
Round 21 S
Intro to Productfamily
Data
Article wall and ceiling luminaire
Lighting effect direct symmetric distribution, 105°; direct/indirect symmetric distribution, 105°; direct/indirect symmetric distribution, 85°
Net luminous flux 2950lm to 3580lm
Colour temperature 3000K; 4000K
Control DALI 2
Cover PMMA
Protection rating IP40
Insulation class insulation class I (protective earthing)
Impact resistance IK04
Specials
Representative luminaire in a minimalist design in three construction sizes, in three housing colours, direct or direct/indirect distribution as a luminaire for suspended mounting, for wall or ceiling surface-mounting
For entrance areas, stairwells, hallways, corridors and ancillary rooms
Problem-free light control via DALI
Configuration & Datasheets
- ceiling or wall installation without other luminaire-specific mounting accessories; for suspended mounting: please order wire hanger separately
- with use if the optional emengency light element, a separate charging phase is required
Results
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 830, DALI 2, silver
Order No.: 51MR34ND0321S GTIN (EAN): 4058352881545
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 2950lm | 28W | 105lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 830, DALI 2, black
Order No.: 51MR34ND0321B GTIN (EAN): 4058352829790
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 2950lm | 28W | 105lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 830, DALI 2, white
Order No.: 51MR34ND0321W GTIN (EAN): 4058352829806
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 2950lm | 28W | 105lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 830, DALI 2, silver
Order No.: 51MR34FD0321S GTIN (EAN): 4058352881453
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 3420lm | 30W | 113lm/W | DALI 2 | 400 | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 830, DALI 2, silver
Order No.: 51MR34GD0321S GTIN (EAN): 4058352881477
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 3420lm | 30W | 113lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 830, DALI 2, black
Order No.: 51MR34FD0321B GTIN (EAN): 4058352829752
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 3420lm | 30W | 113lm/W | DALI 2 | 400 | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 830, DALI 2, black
Order No.: 51MR34GD0321B GTIN (EAN): 4058352881460
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 3420lm | 30W | 113lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 830, DALI 2, white
Order No.: 51MR34FD0321W GTIN (EAN): 4058352829769
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 3420lm | 30W | 113lm/W | DALI 2 | 400 | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 830, DALI 2, white
Order No.: 51MR34GD0321W GTIN (EAN): 4058352881484
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 3000K | CRI > 80 | 3420lm | 30W | 113lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 840, DALI 2, silver
Order No.: 51MR34ND0421S GTIN (EAN): 4058352882504
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3090lm | 28W | 110lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 840, DALI 2, black
Order No.: 51MR34ND0421B GTIN (EAN): 4058352829813
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3090lm | 28W | 110lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 840, DALI 2, white
Order No.: 51MR34ND0421W GTIN (EAN): 4058352829820
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3090lm | 28W | 110lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 840, DALI 2, silver
Order No.: 51MR34FD0421S GTIN (EAN): 4058352882498
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3580lm | 30W | 118lm/W | DALI 2 | 400 | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 840, DALI 2, silver
Order No.: 51MR34GD0421S GTIN (EAN): 4058352881514
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3580lm | 30W | 118lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 840, DALI 2, black
Order No.: 51MR34FD0421B GTIN (EAN): 4058352829776
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3580lm | 30W | 118lm/W | DALI 2 | 400 | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 840, DALI 2, black
Order No.: 51MR34GD0421B GTIN (EAN): 4058352881507
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3580lm | 30W | 118lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 840, DALI 2, white
Order No.: 51MR34FD0421W GTIN (EAN): 4058352829783
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3580lm | 30W | 118lm/W | DALI 2 | 400 | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 840, DALI 2, white
Order No.: 51MR34GD0421W GTIN (EAN): 4058352881521
| Colour temperature | Colour rendering | Luminous flux | Connected load | Luminous efficacy | Control | D (mm) | Wt. (kg) |
|---|---|---|---|---|---|---|---|
| 4000K | CRI > 80 | 3580lm | 30W | 118lm/W | DALI 2 | 400 | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 830, DALI 2, silver
Order No.: 51MR34ND0321SGTIN (EAN): 4058352881545
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 2950lm |
| Connected load | 28W |
| Luminous efficacy | 105lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 830, DALI 2, black
Order No.: 51MR34ND0321BGTIN (EAN): 4058352829790
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 2950lm |
| Connected load | 28W |
| Luminous efficacy | 105lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 830, DALI 2, white
Order No.: 51MR34ND0321WGTIN (EAN): 4058352829806
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 2950lm |
| Connected load | 28W |
| Luminous efficacy | 105lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 830, DALI 2, silver
Order No.: 51MR34FD0321SGTIN (EAN): 4058352881453
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3420lm |
| Connected load | 30W |
| Luminous efficacy | 113lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 830, DALI 2, silver
Order No.: 51MR34GD0321SGTIN (EAN): 4058352881477
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3420lm |
| Connected load | 30W |
| Luminous efficacy | 113lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 830, DALI 2, black
Order No.: 51MR34FD0321BGTIN (EAN): 4058352829752
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3420lm |
| Connected load | 30W |
| Luminous efficacy | 113lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 830, DALI 2, black
Order No.: 51MR34GD0321BGTIN (EAN): 4058352881460
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3420lm |
| Connected load | 30W |
| Luminous efficacy | 113lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 830, DALI 2, white
Order No.: 51MR34FD0321WGTIN (EAN): 4058352829769
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3420lm |
| Connected load | 30W |
| Luminous efficacy | 113lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 830, DALI 2, white
Order No.: 51MR34GD0321WGTIN (EAN): 4058352881484
| Colour temperature | 3000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3420lm |
| Connected load | 30W |
| Luminous efficacy | 113lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 840, DALI 2, silver
Order No.: 51MR34ND0421SGTIN (EAN): 4058352882504
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3090lm |
| Connected load | 28W |
| Luminous efficacy | 110lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 840, DALI 2, black
Order No.: 51MR34ND0421BGTIN (EAN): 4058352829813
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3090lm |
| Connected load | 28W |
| Luminous efficacy | 110lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, Prismatic, direct/indirect distribution, 85°, Light colour 840, DALI 2, white
Order No.: 51MR34ND0421WGTIN (EAN): 4058352829820
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3090lm |
| Connected load | 28W |
| Luminous efficacy | 110lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 840, DALI 2, silver
Order No.: 51MR34FD0421SGTIN (EAN): 4058352882498
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3580lm |
| Connected load | 30W |
| Luminous efficacy | 118lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 840, DALI 2, silver
Order No.: 51MR34GD0421SGTIN (EAN): 4058352881514
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3580lm |
| Connected load | 30W |
| Luminous efficacy | 118lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 840, DALI 2, black
Order No.: 51MR34FD0421BGTIN (EAN): 4058352829776
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3580lm |
| Connected load | 30W |
| Luminous efficacy | 118lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 840, DALI 2, black
Order No.: 51MR34GD0421BGTIN (EAN): 4058352881507
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3580lm |
| Connected load | 30W |
| Luminous efficacy | 118lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Round 21 S, opal, direct distribution, 105°, Light colour 840, DALI 2, white
Order No.: 51MR34FD0421WGTIN (EAN): 4058352829783
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3580lm |
| Connected load | 30W |
| Luminous efficacy | 118lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.1 |
Round 21 S, opal, direct/indirect distribution, 105°, Light colour 840, DALI 2, white
Order No.: 51MR34GD0421WGTIN (EAN): 4058352881521
| Colour temperature | 4000K |
|---|---|
| Colour rendering | CRI > 80 |
| Luminous flux | 3580lm |
| Connected load | 30W |
| Luminous efficacy | 118lm/W |
| Control | DALI 2 |
| D (mm) | 400 |
| Wt. (kg) | 3.9 |
Optional accessory
| Order No.: 59MR300D0021WGTIN (EAN): 4058352830123 | Show details |
| Order No.: 59MR300D0021BGTIN (EAN): 4058352830116 | Show details |
| Order No.: 59MR300D0021SGTIN (EAN): 4058352883563 | Show details |