R. STAHL SB550 Control Unit with 1 Diode
Type: SB550
Art. No.: 145169
Part Number: 8453/1-02-001
Product Description
The R. STAHL SB550 control units are components designed for flameproof enclosures (Ex d) with increased safety (Ex e). These units incorporate electronic and electrical components such as resistors, diodes, voltage limiters, or fuses. Their compact design makes them suitable for applications with limited space.
- Control element for customized equipping with numerous electric and electronic components.
- Flameproof enclosure (Ex d) with screw terminals with increased safety (Ex e).
- Connection cross-section: 0.75 to 2.5 mm², solid/finely stranded.
- Simple mounting on a mounting rail.
Technical Data
Explosion Protection
| Parameter | Value |
|---|---|
| Application range (zones) | 1, 2 |
| IECEx gas certificate | IECEx PTB 06.0031 U |
| IECEx gas explosion protection | Ex db eb IIC T6 Gb |
| ATEX gas certificate | PTB 01 ATEX 1067 U |
| ATEX gas explosion protection | II 2 G Ex db eb IIC T6 Gb |
| Certificates | ATEX (PTB), Brazil (ULB), IECEx (PTB) |
Electrical Data
| Parameter | Value |
|---|---|
| Peak cut-off voltage | 50 V |
| Threshold voltage | 0.65 V |
| Continuous limiting current | 5 A |
Ambient Conditions
| Parameter | Value |
|---|---|
| Ambient temperature | -60 °C ... +50 °C |
Mechanical Data
| Parameter | Value |
|---|---|
| Version | With 1 diode |
| Degree of protection (IP) | IP20 |
| Enclosure material | Polyamide |
| Silicone-free | Yes |
| Connection cross-section | 2.5 mm² |
| Max. connection cross section, solid | 2.5 mm² |
| Max. connection cross-section, finely stranded | 2.5 mm² |
| Weight | 50 g (0.11 lb) |
Dimensional Drawings
(All Dimensions in mm [inches]) - Subject to Alterations
Height: 51.60 [2.03]
Width: 47 [1.85]
Depth: 43 [1.69]
Mounting rail width: 35mm
Terminal width: 25.50 [1.00]
Overall depth: 51.30 [2.02]
Note: Illustrations are not binding and R. STAHL reserves the right to make alterations to technical data, dimensions, weights, and designs without prior notice.
