Product Model

789-665

In Stock
Last updated: 2025/4/19
wago 789-665

Selling Points

  • 1Detects ground faults with a digital output signal.
  • 2Measures 18 mm in width, making it suitable for DIN-35 rail mounting.
  • 3Operates at 24 VDC with a current consumption of ≤ 40 mA.
  • 4Compliant with RoHS and CE EMC immunity to interference standards.
  • 5Offers an MTBF of > 600,000 hours, ensuring long-term operation without failure.
Product Details
789-665
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Nominal supply voltage U<sub>S</sub>
DC?24?V (SELV)
Supply voltage range (DC)
DC?18 … 31.2?V
Current consumption at nominal supply voltage
≤?40?mA
Power loss P<sub>l</sub>
≤?1.7?W
Current at ground fault (24 VDC) max.
56mA
Operation status indicator
1 x LED “Status OK” (green)
Signaling
1 x LED “Iso Alarm” (red)
Switching voltage (max.)
48 VDC (SELV)
Continuous current (max.)
500?mA (for general use)
Number of Iso OK contacts connected in series (max.)
25 (Limit value type: 1); 32 (Limit value type: 2 and 3) (per IEC 61131)
Function
1 make contact (NO); closed with applied power supply and insulation resistance > limit value
Backup fusing (required)
The fuse must be placed in the output circuit of the power supply. The fuse must be adapted to the power supply used and must trip safely in case of a short circuit. The module is designed for use with a 10 A (max. ) fuse or with a 10 ADC (max.) circuit breaker (characteristic B or C).
Pollution degree
2
Overvoltage category
II
Protection type
IP20
Test voltage (supply/Iso OK contact)
1.5 kVAC; 50 … 60 Hz; 1 min
MTBF
> 600,000 h (per MIL-HDBK-217F2)
Response value for alarm at nominal voltage
4 kΩ (at US= 24 V; for other USvalues, see diagram for signaling threshold)
Response time
10s
Hysteresis (typ.)
1kΩ
Connection type 1
X1.x
Connection technology
Push-in CAGE CLAMP?
WAGO connector
picoMAX?eCOM
Solid conductor
0.25 … 1.5?mm2?/ 24 … 14?AWG
Fine-stranded conductor
0.25 … 1.5?mm2?/ 24 … 14?AWG
Fine-stranded conductor; with insulated ferrule
0.25 … 0.75?mm2
Fine-stranded conductor; with uninsulated ferrule
0.25 … 1.5?mm2
Strip length
8 … 9?mm?/ 0.31 … 0.35?inches
Connection type 2
X2.x
Connection technology 2
Push-in CAGE CLAMP?
WAGO connector 2
picoMAX?eCOM
Solid conductor 2
0.2 … 2.5?mm2?/ 24 … 12?AWG
Fine-stranded conductor 2
0.2 … 2.5?mm2?/ 24 … 14?AWG
Fine-stranded conductor; with insulated ferrule 2
0.25 … 1.5?mm2
Fine-stranded conductor; with uninsulated ferrule 2
0.25 … 2.5?mm2
Strip length 2
9 … 10?mm?/ 0.35 … 0.39?inches
Width
18?mm?/ 0.71?inches
Height
90?mm?/ 3.54?inches
Depth from upper-edge of DIN-rail
51?mm?/ 2.01?inches
Mounting type
DIN-35 rail
Weight
47g
Ambient temperature (operation)
-40 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Temperature range of connection cable
≥ (Tambient+ 10 K)
Relative humidity
5 … 95?% (non-condensing)
Operating altitude (max.)
3000m
Conformity marking
CE
EMC immunity to interference
EN 61000-6-2
EMC emission of interference
EN 61000-6-3; EN 61000-6-4
Standards/specifications
UL 61010-2-201
ETIM 9.0
EC003596
ETIM 8.0
EC003596
ECCN
NO US CLASSIFICATION
PU (SPU)
1?pcs
Packaging type
Box
Country of origin
CN
GTIN
4066966120820
Customs tariff number
85365005000
CAS-No.
12060-00-3
REACH Candidate List Substance
1,3,5-Tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione (TGIC)
RoHS Compliance Status
Compliant,With Exemption
RoHS Exemption
6(c)
SCIP notification number (Austria)
7e2beec6-e444-4533-91ed-ca9c06e08018
SCIP notification number (Belgium)
3d57bc60-34df-4908-9ee3-46195d31d01a
SCIP notification number (Bulgaria)
5e35ef1c-882c-48b4-8b73-1d7ec4268ba3
SCIP notification number (Czech Republic)
b6cda593-ddd9-42ff-b4e7-d8fcd1e40d5c
SCIP notification number (Denmark)
a3c41961-0b22-4291-9060-47097b5f95ce
SCIP notification number (Finland)
91651202-849e-4dc4-bc7a-b390c932d8de
SCIP notification number (France)
d9de80e6-426d-467f-b505-f4cca3e47f38
SCIP notification number (Germany)
70fe8401-9bb3-4bf6-9b1e-907872456ab1
SCIP notification number (Hungary)
8e69327f-46d3-4d3e-937a-cc4734bd95c3
SCIP notification number (Italy)
d4d1cefc-62b0-4092-9838-e72a05cfb2df
SCIP notification number (Netherlands)
2f63a4bb-7d52-4087-9cdb-85d03b2defa7
SCIP notification number (Poland)
403f29a9-bab2-4cc7-a1fa-13daa7af1f17
SCIP notification number (Romania)
bdb7e5dd-9b1d-4ca5-b22f-3b058c47d4f7
SCIP notification number (Sweden)
97170ea2-76b4-4ba8-9f9a-a9e56636c480

Specifications may be subject to change without notice