Product Model
788-178

Selling Points
- 1Reliable Automation Solution: The Wago 788-178 is a dependable electromechanical relay designed for various automation applications.
- 2230VAC Compatibility: Suitable for use with 230VAC, ensuring compatibility with a wide range of industrial control systems.
- 316A Continuous Current: Handles up to 16A of continuous current, making it ideal for demanding control circuits.
- 4Single-Pole Double Throw (SPDT) Contacts: Features 1C/O SPDT contacts made of Silver-Nickel (AgNi 90/10) for high durability and reliability.
- 5IP40 Protection Rating: Equipped with an IP40 protection rating, providing a safe and secure operation environment.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Dielectric strength (control/load circuit) (AC, 1?min) | 5?kVrms | Dielectric strength (open contact) (AC, 1?min) | 1?kVrms |
Protection type | IP40 | Width | 12.7?mm?/ 0.5?inches |
Height from the surface | 15.7?mm?/ 0.618?inches | Depth | 29?mm?/ 1.142?inches |
Mounting type | Pluggable module | Note (material data) | Information on material specifications can be found here |
Fire load | 0.198MJ | Weight | 13g |
Ambient temperature (operation at U<sub>N</sub>) | -40 … +70 °C | Ambient temperature (storage) | -40 … +85 °C |
Standards/specifications | EN 61810-1 | Product Group | 6 (INTERFACE ELECTRONIC) |
eCl@ss 10.0 | 27-37-16-01 | eCl@ss 9.0 | 27-37-16-01 |
ETIM 9.0 | EC001437 | ETIM 8.0 | EC001437 |
ECCN | NO US CLASSIFICATION | PU (SPU) | 20?pcs |
Packaging type | box | Country of origin | AT |
GTIN | 4045454300746 | Customs tariff number | 8536490075 |
RoHS Compliance Status | Compliant,No Exemption | Nominal input voltage U<sub>N</sub> | AC?230?V |
Nominal input current at U<sub>N</sub> | 8?mA | Number of changeover contacts | 1 |
Contact material (relay) | AgNi 90/10 | Limiting continuous current | 16?A |
Inrush current (resistive) max. | (AC) 30?A?/ 4?s | Switching Voltage, Max. | AC?250?V |
Switching power (resistive) max. | AC?4000?VA;?DC (see load limit curve) | Switching capacity | AC-15:?6?A?/ AC?250?V;?DC-13:?2?A?/ DC?24?V |
Recommended minimum load | 12?V?/ 10?mA | Pull-in time (typ.) | 8ms |
Drop-out time (typ.) | 6ms | Bounce time (typ.) | 6ms |
Electrical life (NO; resistive load; 23?°C) | 30?x 103 switching operations | Mechanical life | 30?x 10? switching operations |
Switching frequency with/without load (max.) | 6?min-1/ 1200?min-1 |
Specifications may be subject to change without notice