Home / Wago / Basic solid-state relay; Nominal input voltage: 24 VDC; Output voltage range: 0 … 24 VDC

Available on request

Basic solid-state relay; Nominal input voltage: 24 VDC; Output voltage range: 0 … 24 VDC

Name: Basic solid-state relay; Nominal input voltage: 24 VDC; Output voltage range: 0 … 24 VDC
Brand: Wago
SKU: 857-181

MPN: 857-181 · Brand: Wago

Price on request

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Relay and Optocoupler Modules
Lifecycle	active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can 857-181 be shipped?

857-181 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 857-181 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 857-181 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 857-181, subject to availability and destination.

Basic solid-state relay; Nominal input voltage: 24 VDC; Output voltage range: 0 … 24 VDC 857-181

Specifications

Notes

Note	Optocouplers and solid state relays are designed for use in signal processing networks that are not supplied directly by the low-voltage power supply network.

Technical data - Control circuit

Nominal input voltage U<sub>N</sub>	24 VDC (SELV)
Input voltage range (low level)	0 … 4 VDC
Input voltage range (high level)	16.8 … 30 VDC
Nominal input current at U<sub>N</sub>	7 mA

Technical data - Load circuit

Circuit type	2-wire connection
Limiting continuous current	8 A
Nominal output voltage	24 VDC (SELV)
Output voltage range	1 … 30 VDC
Voltage drop	≤ 0.8 VDC
Leakage current at rated voltage	≤ 1 µA
Switching current (min.)	10 mA
Turn-on time	≤ 60 µs
Turn-off time	≤ 250 µs
Switching frequency	≤ 500 Hz

Safety and protection

Dielectric strength (control/load circuit) (AC, 1 min)

3.51 kVrms

Physical data

Width	5 mm / 0.197 inches
Height from the surface	15 mm / 0.591 inches
Depth	28 mm / 1.102 inches

Mechanical data

Mounting type

Pluggable module

Material data

Note (material data)	Information on material specifications can be found here
Insulation material (main housing)	Polyamide (PA66)
Flammability class per UL94	V0
Weight	3.6 g

Environmental requirements

Ambient temperature (operation at U<sub>N</sub>)	-30 … +80 °C
Ambient temperature (storage)	-40 … +100 °C
Relative humidity	5 … 95 % (no condensation permissible)
Operating altitude (max.)	2000 m