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Wago
788-174Basic relay; Nominal input voltage: 115 VAC; 1 changeover contact; Limiting continuous current: 16 A; Module width: 13 mm; Module height: 15 mm
Wago 788-178
Basic relay; Nominal input voltage: 230 VAC; 1 changeover contact; Limiting continuous current: 16 A; Module width: 13 mm; Module height: 15 mm
- MPN
- 788-178
- Category
- Relay and Optocoupler Modules
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- Ships via
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What is the Wago 788-178?
Basic relay; Nominal input voltage: 230 VAC; 1 changeover contact; Limiting continuous current: 16 A; Module width: 13 mm; Module height: 15 mm 788-178
Specifications
Technical data - Control circuit
| Nominal input voltage U<sub>N</sub> | 230 VAC |
| Nominal input current at U<sub>N</sub> | 8 mA |
Technical data - Load circuit
| Number of changeover/switchover 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. | 250 VAC |
| Switching power (resistive) max. | AC 4000 VA; DC (see load limit curve) |
| Switching capacity | AC-15: 6 A / 250 VAC; DC-13: 2 A / 24 VDC |
| Recommended minimum load | 12 V / 10 mA |
| Pull-in time (typ.) | 8 ms |
| Drop-out time (typ.) | 6 ms |
| Bounce time (typ.) | 6 ms |
| Electrical life (NO; resistive load; 23 °C) | 30 x 10³ switching operations |
| Mechanical life | 30 x 10⁶ switching operations |
| Switching frequency with/without load (max.) | 6 min-1 / 1200 min-1 |
Safety and protection
| Dielectric strength (control/load circuit) (AC, 1 min) | 5 kVrms |
| Dielectric strength (open contact) (AC, 1 min) | 1 kVrms |
| Protection type | IP40 |
Physical data
| Width | 12.7 mm / 0.5 inches |
| Height from the surface | 15.7 mm / 0.618 inches |
| Depth | 29 mm / 1.142 inches |
Mechanical data
| Mounting type | Pluggable module |
Material data
| Note (material data) | Information on material specifications can be found here |
| Fire load | 0.198 MJ |
| Weight | 13 g |
Environmental requirements
| Ambient temperature (operation at U<sub>N</sub>) | -40 … +70 °C |
| Ambient temperature (storage) | -40 … +85 °C |
Standards and specifications
| Standards/specifications | EN 61810-1 |
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
| PU (SPU) | 20 pcs |
| Packaging type | box |
| Country of origin | AT |
| GTIN | 4045454300746 |
| Customs tariff number | 85364900990 |
Product Classification
| UNSPSC | 39122334 |
| eCl@ss 10.0 | 27-37-16-01 |
| eCl@ss 9.0 | 27-37-16-01 |
| ETIM 9.0 | EC001437 |
| ETIM 10.0 | EC001437 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,No Exemption |
788-178: frequently asked questions
When can 788-178 be shipped?
788-178 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 788-178 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 788-178 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 788-178, subject to availability and destination.
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Wago 788-178Price and lead time confirmed within 1 business day
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