The Hager 1‑pole 25A modular changeover switch (without common point) enables safe manual transfer between two circuits in residential or light commercial boards. Rated 230 V AC, AC21/AC22 25 A, with Icm 0.52 kA and Icw/Icc 0.37 kA to IEC 60947‑3. Compact 1‑module IP20 device with screw terminals (1.5-16 mm²), 1 NO + 1 NC. Durable: 200k mechanical and 25k electrical cycles. 50-60 Hz.

EAN

3250615510785

Packaging

Modular Changeover Switch 2P 25A Top Common Point 230V 2 Modules SFM125

Name: SFM125
Brand: Hager
SKU: SFM1252

Phase out product: please contact your electrical wholesaler for availability

Follow-up products :

SFT125, SFH125, SFH225

Technical properties
Environmental value
Documentations

Download the data sheet

Technical properties

Number of poles

1
Control/operation element

Change over switch

Rated current IN

25 A
Rated conditional short-circuit current Icc with gl-gG fuses

0.37 kA
Acceptable current rating AC21 category A

25 A
Acceptable current rating AC21 category B

25 A
Acceptable current rating AC22 category A

25 A
Acceptable current rating AC22 category B

25 A
Rated short-circuit making capacity Icm under 240 V AC according to IEC 60947-3

0.52 kA
Rated short-time withstand current Icw 1s IEC 60947

0.37 kA

Nominal tightening torque

1.80 - 1.80 Nm
Suitable for outdoor usage

No
Type of bottom connection for modular devices

Screw terminal

Rated operational voltage Ue

230 - 230 V
Type voltage supply

AC
Rated insulation voltage Ui

440 V
Rated impulse withstand voltage Uimp

4000 V

Number of modules

1

Ingress Protection (IP) class

IP20

Frequency

50 - 60 Hz

Height

83 mm
Width

17.50 mm
Depth

68 mm

Number of NO contacts

1
Number of NC contacts

1

Operating temperature

-20 - 50 °C
Storage/transport temperature

-40 - 80 °C

Cross-section flexible conductor

1.5 - 10 mm²
Cross-section rigid conductor

1.5 - 16 mm²

Number of mechanical operations

200000
Electrical durability at nominal load in AC21 in operating cycles

25000
Electrical durability at nominal load in AC22 in operating cycles

25000

Power dissipation at IN

0.90 W
Power loss per pole at In

0.90 W

Down connection alignment for modular devices

Shifted terminal
Top connection alignment for modular devices

Shifted terminal

Suitable for DIN Rail

Yes

Environmental value

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RoHS conform Yes

REACh-SVHC free Yes