Siemens SIRIUS 3SE5 / 3SE2 Safety Hinge Switches

SIRIUS 3SE5 safety hinge switches in plastic and metal enclosures and 3SE2 switches with integrated hinge for monitoring hinged protective doors.

Key features

Hinge actuator with hollow or solid shaft, actuating angle 10°
Positive opening snap-action contacts (3SE5) or slow-action contacts (3SE2)
3SE5 in 31 mm (EN 50047) and 40 mm (EN 50041) plastic and metal enclosures
3SE2283 with integrated aluminum or high-grade steel hinge, 4° or 8° actuating angle
Spare actuator heads and additional hinge available

Specifications

Brand	Siemens
Product line	SIRIUS 3SE5 / 3SE2 hinge switches
Application	Hinged protective doors
Degree of protection	IP65 (plastic 31 mm, 3SE2), IP66/IP67
Category	Safety Switches
Source	Siemens Catalog IC 10 · 2026, p. 1144-1147

3SE5232-0HU21		Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 1 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
3SE5232-0LU21		Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
3SE5232-0HU22		Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 1 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
3SE5232-0LU22		Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
3SE5132-0LU21		Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 40 mm
3SE5132-0LU22		Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 40 mm
3SE5000-0AU21		Type: Actuator head (spare part) \| Hinge/shaft: Hollow shaft \| Contacts: - \| Actuating angle: 10° \| Enclosure: -
3SE5000-0AU22		Type: Actuator head (spare part) \| Hinge/shaft: Solid shaft \| Contacts: - \| Actuating angle: 10° \| Enclosure: -
3SE5212-0LU21		Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 31 mm
3SE5212-0LU22		Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 31 mm
3SE5112-0LU21		Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 40 mm
3SE5112-0LU22		Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 40 mm
3SE2283-0GA43		Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 1 NO + 2 NC, slow-action \| Actuating angle: 4° \| Enclosure: Plastic
3SE2283-6GA43		Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 3 NC, slow-action \| Actuating angle: 4° \| Enclosure: Plastic
3SE2283-0GA53		Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 1 NO + 2 NC, slow-action \| Actuating angle: 8° \| Enclosure: Plastic
3SE2283-6GA53		Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 3 NC, slow-action \| Actuating angle: 8° \| Enclosure: Plastic
3SE2283-0GA44		Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Stainless steel hinge \| Contacts: 1 NO + 2 NC, slow-action \| Actuating angle: 4° \| Enclosure: Plastic
3SX3225		Type: Additional hinge (accessory) \| Hinge/shaft: - \| Contacts: - \| Actuating angle: - \| Enclosure: Aluminum

Safety SwitchesSiemens

18 product codes available in this family

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Siemens SIRIUS 3SE5 / 3SE2 Safety Hinge Switches

Brand Siemens·Safety Switches

Available part numbers (18)

3SE5232-0HU21, 3SE5232-0LU21, 3SE5232-0HU22, 3SE5232-0LU22, 3SE5132-0LU21, 3SE5132-0LU22, 3SE5000-0AU21, 3SE5000-0AU22, 3SE5212-0LU21, 3SE5212-0LU22 + 8 more — see full table ↓

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	3SE5232-0HU21	Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 1 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
	3SE5232-0LU21	Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
	3SE5232-0HU22	Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 1 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
	3SE5232-0LU22	Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 31 mm
	3SE5132-0LU21	Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 40 mm
	3SE5132-0LU22	Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Plastic, 40 mm
	3SE5000-0AU21	Type: Actuator head (spare part) \| Hinge/shaft: Hollow shaft \| Contacts: - \| Actuating angle: 10° \| Enclosure: -
	3SE5000-0AU22	Type: Actuator head (spare part) \| Hinge/shaft: Solid shaft \| Contacts: - \| Actuating angle: 10° \| Enclosure: -
	3SE5212-0LU21	Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 31 mm
	3SE5212-0LU22	Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 31 mm
	3SE5112-0LU21	Type: 3SE5 hinge switch \| Hinge/shaft: Hollow shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 40 mm
	3SE5112-0LU22	Type: 3SE5 hinge switch \| Hinge/shaft: Solid shaft \| Contacts: 1 NO + 2 NC, snap-action \| Actuating angle: 10° \| Enclosure: Metal, 40 mm
	3SE2283-0GA43	Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 1 NO + 2 NC, slow-action \| Actuating angle: 4° \| Enclosure: Plastic
	3SE2283-6GA43	Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 3 NC, slow-action \| Actuating angle: 4° \| Enclosure: Plastic
	3SE2283-0GA53	Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 1 NO + 2 NC, slow-action \| Actuating angle: 8° \| Enclosure: Plastic
	3SE2283-6GA53	Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Aluminum hinge \| Contacts: 3 NC, slow-action \| Actuating angle: 8° \| Enclosure: Plastic
	3SE2283-0GA44	Type: 3SE2 hinge switch, integrated hinge \| Hinge/shaft: Stainless steel hinge \| Contacts: 1 NO + 2 NC, slow-action \| Actuating angle: 4° \| Enclosure: Plastic
	3SX3225	Type: Additional hinge (accessory) \| Hinge/shaft: - \| Contacts: - \| Actuating angle: - \| Enclosure: Aluminum

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Siemens SIRIUS 3SE5 / 3SE2 Safety Hinge Switches