Siemens SIRIUS ACT 3SU12 Compact Units (Buzzers, Potentiometers)

SIRIUS ACT 3SU12 compact units for 22 mm mounting: acoustic signaling devices, potentiometers and pushbuttons with extended stroke, plus extension plungers.

Key features

Acoustic signaling devices 24 V AC/DC, 110 V AC, 230 V AC, IP40 or IP69
Potentiometers 1 to 470 kOhm, stepless rotary knob
Pushbuttons with extended stroke for actuating relays (no contact module required)
Plastic (3SU120.) and shiny metal (3SU125.) extended-stroke pushbuttons
Extension plunger 3SU1900-0KG10-0AA0 for overload relay reset

Specifications

Brand	Siemens
Product line	SIRIUS ACT 3SU1
Device type	Compact unit
Mounting diameter	22 mm
System	SIRIUS ACT modular system
Source	Siemens Catalog IC 10 · 2026, p. 1241-1265

3SU1200-6KB10-1AA0		Type: Acoustic signaling device \| Voltage: 24 V AC/DC \| Volume: 80/10 dB/cm \| Protection: IP40 \| Connection: Screw
3SU1200-6KC10-1AA0		Type: Acoustic signaling device \| Voltage: 110 V AC \| Volume: 80/10 dB/cm \| Protection: IP40 \| Connection: Screw
3SU1200-6KF10-1AA0		Type: Acoustic signaling device \| Voltage: 230 V AC \| Volume: 80/10 dB/cm \| Protection: IP40 \| Connection: Screw
3SU1200-6LB10-1AA0		Type: Acoustic signaling device \| Voltage: 24 V AC/DC \| Volume: 75/10 dB/cm \| Protection: IP69 \| Connection: Screw
3SU1200-6LC10-1AA0		Type: Acoustic signaling device \| Voltage: 110 V AC \| Volume: 75/10 dB/cm \| Protection: IP69 \| Connection: Screw
3SU1200-6LF10-1AA0		Type: Acoustic signaling device \| Voltage: 230 V AC \| Volume: 75/10 dB/cm \| Protection: IP69 \| Connection: Screw
3SU1200-2PQ10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 1 kOhm \| Connection: Screw
3SU1200-2PW10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 2.2 kOhm \| Connection: Screw
3SU1200-2PR10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 4.7 kOhm \| Connection: Screw
3SU1200-2PS10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 10 kOhm \| Connection: Screw
3SU1200-2PT10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 47 kOhm \| Connection: Screw
3SU1200-2PU10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 100 kOhm \| Connection: Screw
3SU1200-2PV10-1AA0		Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 470 kOhm \| Connection: Screw
3SU1200-0EB20-0AA0		Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Red \| Front ring: Plastic, black
3SU1200-0EB40-0AA0		Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Green \| Front ring: Plastic, black
3SU1200-0FB20-0AA0		Type: Pushbutton, extended stroke \| Version: Raised button \| Color: Red \| Front ring: Plastic, black
3SU1201-0EB20-0AA0		Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Red \| Front ring: Plastic, black
3SU1201-0EB70-0AA0		Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Clear \| Front ring: Plastic, black
3SU1250-0EB20-0AA0		Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Red \| Front ring: Metal, shiny
3SU1250-0EB40-0AA0		Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Green \| Front ring: Metal, shiny
3SU1250-0EB50-0AA0		Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Blue \| Front ring: Metal, shiny
3SU1250-0FB10-0AA0		Type: Pushbutton, extended stroke \| Version: Raised button \| Color: Black \| Front ring: Metal, shiny
3SU1251-0EB20-0AA0		Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Red \| Front ring: Metal, shiny
3SU1251-0EB70-0AA0		Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Clear \| Front ring: Metal, shiny

Pushbuttons & Pilot LightsSiemens

24 product codes available in this family

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Siemens SIRIUS ACT 3SU12 Compact Units (Buzzers, Potentiometers)

Brand Siemens·Pushbuttons & Pilot Lights

Available part numbers (24)

3SU1200-6KB10-1AA0, 3SU1200-6KC10-1AA0, 3SU1200-6KF10-1AA0, 3SU1200-6LB10-1AA0, 3SU1200-6LC10-1AA0, 3SU1200-6LF10-1AA0, 3SU1200-2PQ10-1AA0, 3SU1200-2PW10-1AA0, 3SU1200-2PR10-1AA0, 3SU1200-2PS10-1AA0 + 14 more — see full table ↓

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	3SU1200-6KB10-1AA0	Type: Acoustic signaling device \| Voltage: 24 V AC/DC \| Volume: 80/10 dB/cm \| Protection: IP40 \| Connection: Screw
	3SU1200-6KC10-1AA0	Type: Acoustic signaling device \| Voltage: 110 V AC \| Volume: 80/10 dB/cm \| Protection: IP40 \| Connection: Screw
	3SU1200-6KF10-1AA0	Type: Acoustic signaling device \| Voltage: 230 V AC \| Volume: 80/10 dB/cm \| Protection: IP40 \| Connection: Screw
	3SU1200-6LB10-1AA0	Type: Acoustic signaling device \| Voltage: 24 V AC/DC \| Volume: 75/10 dB/cm \| Protection: IP69 \| Connection: Screw
	3SU1200-6LC10-1AA0	Type: Acoustic signaling device \| Voltage: 110 V AC \| Volume: 75/10 dB/cm \| Protection: IP69 \| Connection: Screw
	3SU1200-6LF10-1AA0	Type: Acoustic signaling device \| Voltage: 230 V AC \| Volume: 75/10 dB/cm \| Protection: IP69 \| Connection: Screw
	3SU1200-2PQ10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 1 kOhm \| Connection: Screw
	3SU1200-2PW10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 2.2 kOhm \| Connection: Screw
	3SU1200-2PR10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 4.7 kOhm \| Connection: Screw
	3SU1200-2PS10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 10 kOhm \| Connection: Screw
	3SU1200-2PT10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 47 kOhm \| Connection: Screw
	3SU1200-2PU10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 100 kOhm \| Connection: Screw
	3SU1200-2PV10-1AA0	Type: Potentiometer, rotary knob \| Operation: Stepless \| Resistance: 470 kOhm \| Connection: Screw
	3SU1200-0EB20-0AA0	Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Red \| Front ring: Plastic, black
	3SU1200-0EB40-0AA0	Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Green \| Front ring: Plastic, black
	3SU1200-0FB20-0AA0	Type: Pushbutton, extended stroke \| Version: Raised button \| Color: Red \| Front ring: Plastic, black
	3SU1201-0EB20-0AA0	Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Red \| Front ring: Plastic, black
	3SU1201-0EB70-0AA0	Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Clear \| Front ring: Plastic, black
	3SU1250-0EB20-0AA0	Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Red \| Front ring: Metal, shiny
	3SU1250-0EB40-0AA0	Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Green \| Front ring: Metal, shiny
	3SU1250-0EB50-0AA0	Type: Pushbutton, extended stroke \| Version: Flat button \| Color: Blue \| Front ring: Metal, shiny
	3SU1250-0FB10-0AA0	Type: Pushbutton, extended stroke \| Version: Raised button \| Color: Black \| Front ring: Metal, shiny
	3SU1251-0EB20-0AA0	Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Red \| Front ring: Metal, shiny
	3SU1251-0EB70-0AA0	Type: Pushbutton, extended stroke \| Version: Flat transparent button (insert label) \| Color: Clear \| Front ring: Metal, shiny

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Siemens SIRIUS ACT 3SU12 Compact Units (Buzzers, Potentiometers)