ABB LS21M71B11-U01 Limit Switch - High Durability & Precision

Selling Points

1High Mechanical Durability: Handles up to 30 million operations with mechanically linked contacts.
2Precise Operating Points: Ensures consistency and reliability in detection tasks.
3Robust Construction: Made from zinc alloy material (Zamak) for enhanced durability.
4Easy Installation: Features prewired UL62 - PVC cable for straightforward setup.
5Compliance & Certifications: Meets EU Directive 2002/95/EC and holds multiple certifications including cUL and CE.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Product Net Width	30 mm	Product Net Height	130 mm
Product Net Depth / Length	35 mm	Product Net Weight	0.234 kg
Action Type of the Contact Element (acc. to IEC 60947-5-1)	Snap Action Simultaneous	Actuator Type	adjustable stainless steel rod lever (Ã3 mm)
B10d Value	Operations 20 Millions	Conventional Free-air Thermal Current (Ith)	acc. to IEC 60947-5-1, Î = 40 Â°C 10 A
Degree of Protection	acc. to IEC 60529 IP67	Housing Material	Metal
Maximum Electrical Switching Frequency	(AC-15) 3600 cycles per hour (DC-13) 3600 cycles per hour	Maximum Mounted Auxiliary Contacts	1 NO, 1 NC
Mechanical Durability	10 million	Mounting Type	30 mm
Number and Type of Bottom Cable Glands	Bottom (Prewired UL/IEC cable)	Rated Impulse Withstand Voltage (Uimp)	4 kV
Rated Operational Current AC-15 (Ie)	(24 V) 10 A (130 V) 5.5 A (240 V) 3 A	Rated Insulation Voltage (Ui)	acc. to IEC 60947-5-1 and VDE 0110 (Gr. C) 400 V
Rated Operational Current DC-13 (Ie)	(24 V) 2.8 A (125 V) 0.55 A (250 V) 0.27 A	Ambient Air Temperature	Operation -25 ... +70 Â°C Storage -40 ... +70 Â°C
Object Classification Code	B	ETIM 6	EC000030 - End switch
ETIM 7	EC000030 - End switch	ETIM 8	EC000030 - End switch
eClass	V11.0 : 27272601	UNSPSC	39121500
Manufacturer ID	1SBV015671R2601

Specifications may be subject to change without notice