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Pepperl Fuchs WE77/Ex-1 115V
Switch Amplifier
- MPN
- WE77/Ex-1 115V
- Category
- K-System (DIN Rail Mounting)
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
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What is the Pepperl Fuchs WE77/Ex-1 115V?
1-channel
Control circuit EEx ia IIC
115 V AC supply voltage
Reversible mode of operation
Lead breakage (LB) monitoring
1 relay contact output (change-over contact)
1-channel, Control circuit EEx ia IIC, 115 V AC supply voltage, Reversible mode of operation, Lead breakage (LB) monitoring, 1 relay contact output (change-over contact), Housing width: 40 mm, Number of channels: 1-channel, Rated voltage: 103.5 ... 126 V AC , 45 ... 65 Hz, Field device: NAMUR sensor, Field device [2]: volt-free contact, Line fault detection, Type: 1 x relay (change-over contact), Reversible mode of operation
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 129199 |
| Signal type | Digital Input |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Supply
| Connection | terminals 11, 12 |
| Rated voltage | 103.5 ... 126 V AC , 45 ... 65 Hz Ur |
| Power dissipation | 1.6 W |
| Power consumption | approx. 2.3 VA |
Input
| Connection side | field side |
| Connection | terminals 1-, 2+ |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see manual for electrical data |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA |
| Pulse/Pause ratio | min. 0.5 ms / min. 0.5 ms |
| Line fault detection | breakage I ≤ 0.1 mA |
Output
| Connection side | control side |
| Connection | terminals 7, 8, 9 |
| Output | signal ; relay |
| Contact loading | 253 V AC/2 A/500 VA/cos φ min. 0,7; 125 V AC/4 A/500 VA cos φ min. 0,7; 40 V DC/2 A/80 W ohmic load |
| Energized/De-energized delay | approx. 10 ms / approx. 20 ms |
| Mechanical life | 107 switching cycles |
Transfer characteristics
| Switching frequency | < 10 Hz |
Galvanic isolation
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Output/power supply | basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
Indicators/settings
| Display elements | LED |
Directive conformity
| Electromagnetic compatibility: Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) |
| Low voltage: Directive 2014/35/EU | EN 61010-1:2010 |
Conformity
| Degree of protection | IEC 60529 |
Ambient conditions
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
Mechanical specifications
| Degree of protection | IP20 |
| Connection | screw terminals |
| Mass | approx. 390 g |
| Dimensions | 40 x 104 x 110 mm (1.6 x 4.1 x 4.3 inch) (W x H x D) , housing type W1 |
Data for application in connection with hazardous areas
| EU-type examination certificate | PTB 02 ATEX 2065 |
| Marking | II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2] |
| Input | Ex ia |
| Voltage | 13.4 V DC Uo |
| Current | 31 mA Io |
| Power | 145 mW (trapezoid characteristic curve) Po |
| Supply: Maximum safe voltage | 126.5 V AC (Attention! The rated voltage can be lower.) Um |
| Output: Maximum safe voltage | 253 V AC (Attention! The rated voltage can be lower.) Um |
| Galvanic isolation: Input/Output | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
| Galvanic isolation: Input/power supply | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V |
| Directive conformity: Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 |
International approvals
| UL approval: Control drawing | 116-0115C (cULus) |
General information
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
Certificates (4)
- USA UL Certificate of Compliance Hazardous Location UL UL E106378 (CoC UL-US-L106378-47731-50018891-2)
- Canada UL Certificate of Compliance Hazardous Location UL E106378 cUL (CoC UL-CA-L106378-47761-50018891-2)
- EU Declaration of Conformity (Pepperl+Fuchs)
- Europe PTB ATEX Category (1) GD (PTB 02 ATEX 2065)
WE77/Ex-1 115V: frequently asked questions
When can WE77/Ex-1 115V be shipped?
WE77/Ex-1 115V 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 WE77/Ex-1 115V 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 WE77/Ex-1 115V 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 WE77/Ex-1 115V, subject to availability and destination.
More Pepperl Fuchs parts
Pepperl Fuchs WE77/Ex-1 115VPrice and lead time confirmed within 1 business day
Request a Quote