Product Model

858-303

In Stock
Last updated: 2025/4/19
wago 858-303

Selling Points

  • 14 Changeover Contacts for Versatile Control
  • 25A Continuous Current Limitation for Safety
  • 3Red Status Indicator for Easy Monitoring
  • 4High Mechanical Life of 20 x 10^6 Operations
  • 5Compatible with DIN-35 Rail Mounting for Easy Installation
Product Details
858-303
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Rated voltage
300V
Rated surge voltage
2.5kV
Overvoltage category
II
Pollution degree
2
Dielectric strength (control/load circuit) (AC, 1?min)
1.5?kVrms
Dielectric strength (open contact) (AC, 1?min)
1?kVrms
Dielectric strength (load/load circuit) (AC, 1?min)
1.5?kVrms
Insulation type (control/load circuit)
Basic insulation
Insulation type (open contact)
Functional insulation
Insulation type (load/load circuit)
Basic insulation
Insulation type (adjacent devices)
Reinforced insulation (safe isolation)
Protection type
IP20
Connection technology
Push-in CAGE CLAMP?
Solid conductor
0.34 … 1.5?mm2?/ 22 … 16?AWG
Fine-stranded conductor
0.34 … 1.5?mm2?/ 22 … 16?AWG
Strip length
9 … 10?mm?/ 0.35 … 0.39?inches
Note (conductor cross-section)
2 x 0.34 … 2 x 1.5?mm2 / 1 x 2.5?mm2 / 2 x 22 … 2 x 16?AWG
Width
31?mm?/ 1.22?inches
Height
97?mm?/ 3.819?inches
Depth from upper-edge of DIN-rail
73?mm?/ 2.874?inches
Mounting type
DIN-35 rail
Mounting position
horizontal (standing/lying); vertical
Note (material data)
Information on material specifications can be found here
Fire load
1.278MJ
Weight
97.2g
Ambient temperature (operation at U<sub>N</sub>)
-25 … +70 °C
Ambient temperature UL (operation at U<sub>N</sub>)
-25 … 50 °C
Ambient temperature (storage)
-40 … +70 °C
Processing temperature
-25 … +50?°C
Temperature range of connection cable
≥ (Tambient+ 25 K)
Relative humidity
5 … 85?%
Operating altitude (max.)
2000m
Standards/specifications
EN 61010-2-201
WAGO Basic Relay
858-164
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)
5?pcs
Packaging type
box
Country of origin
CN
GTIN
4055143568326
Customs tariff number
8536490050
RoHS Compliance Status
Compliant,No Exemption
Nominal input voltage U<sub>N</sub>
DC?12?V
Input voltage range
-20 … +10?%
Nominal input current at U<sub>N</sub>
75?mA
Number of changeover contacts
4
Contact material (relay)
AgCe
Limiting continuous current
5?A
Inrush current (resistive) max.
(AC) 15?A?/ 4?s
Switching Voltage, Max.
AC?250?V
Switching power (resistive) max.
AC?1250?VA;?DC (see load limit curve)
Switching capacity
AC-15:?1?A?/ AC?240?V;?DC-13:?2?A?/ DC?24?V
Recommended minimum load
12?V?/ 100?mA
Pull-in time (typ.)
25ms
Drop-out time (typ.)
25ms
Bounce time (typ.)
4ms
Electrical life (NO; resistive load; 23?°C)
100?x 103 switching operations
Mechanical life
20?x 10? switching operations
Status indicator
Red LED

Specifications may be subject to change without notice