Not available for purchase
Isolated Switch Amplifier WE 77/Ex-1
- 1-channel
- Control circuit EEx ia IIC
- 230 V AC supply voltage
- Reversible mode of operation
- Lead breakage (LB) monitoring
- 1 relay output with 1 changeover contact
Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.
Download the complete datasheet as a PDF:
Datasheet excerpt: Technical data of WE 77/Ex-1
| Supply | ||
|---|---|---|
| Connection | terminals 11, 12 | |
| Rated voltage | 198 ... 253 V AC ; 45 ... 65 Hz | |
| Power consumption | approx. 3.5 VA | |
| Input | ||
| Connection | terminals 1-, 2+ | |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see manual for electrical data | |
| Pulse/Pause ratio | min. 0.5 ms / min. 0.5 ms | |
| Line fault detection | breakage I ≤ 0.1 mA | |
| Output | ||
| Connection | terminals 7, 8, 9 | |
| Output | signal ; relay , non-intrinsically safe | |
| Contact loading | 250 V AC/4 A/500 VA/cos φ > 0.7 220 V DC/0.1 A; 60 V DC/0.6; 24 V DC/4 A |
|
| Energized/De-energized delay | approx. 10 ms / approx. 20 ms | |
| Mechanical life | 107 switching cycles | |
| Transfer characteristics | ||
| Switching frequency | < 10 Hz | |
| Ambient conditions | ||
| Ambient temperature | -25 ... 60 °C (-13 ... 140 °F) | |
| Mechanical specifications | ||
| Mass | approx. 390 g | |
| Dimensions | 40 x 104 x 110 mm (1.6 x 4.1 x 4.3 inch) | |
| Height | 104 mm | |
| Width | 40 mm | |
| Length | 110 mm | |
| Data for application in connection with hazardous areas | ||
| EU-type examination certificate | PTB No. Ex-79/2043X , for additional certificates see www.pepperl-fuchs.com | |
| Voltage | 13.5 V DC | |
| Current | 31 mA | |
| Power | 125 mW | |
Classifications
| System | Classcode |
|---|---|
| ECLASS 13.0 | 27210121 |
| ECLASS 12.0 | 27210121 |
| ECLASS 11.0 | 27210121 |
| ECLASS 10.0.1 | 27210121 |
| ECLASS 9.0 | 27210121 |
| ECLASS 8.0 | 27210121 |
| ECLASS 5.1 | 27210121 |
| ETIM 9.0 | EC001485 |
| ETIM 8.0 | EC001485 |
| ETIM 7.0 | EC001485 |
| ETIM 6.0 | EC001485 |
| ETIM 5.0 | EC001485 |
| UNSPSC 12.1 | 32101514 |
Details: WE 77/Ex-1
Product Documentation: WE 77/Ex-1
| Brief Instructions | Language | File Type | File Size |
|---|---|---|---|
| Brief Instructions - WE-System/RPI | ENG | 664 KB |
Approvals: WE 77/Ex-1
| Certificates | Certificate No. | Language | File Type | File Size |
|---|---|---|---|---|
| Europe PTB ATEX Category (1) GD | PTB 02 ATEX 2065 | ALL | 663 KB |
Pepperl+Fuchs SE
Lilienthalstraße 200
68307 Mannheim
Germany
info@de.pepperl-fuchs.com
+49 621 776-0
Pepperl+Fuchs is a leading developer and manufacturer of electronic sensors and components for the global automation market. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years. Pepperl+Fuchs employs 6,300 people worldwide and has manufacturing facilities in Germany, USA, Singapore, Hungary, Indonesia and Vietnam, most of them ISO 9001 certified.