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21 mm Sensors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Proximity Sensors 100mm 59220-010 Littelfuse 1: $7.71 1,836In Stock	Mfr. Part No. 59220-010 Mouser Part No 934-59220-010	Littelfuse	Proximity Sensors 100mm	Datasheet	1,836In Stock	$7.71 $6.97 $6.37 $6.14 View $5.93 $5.78 $5.35	Min.: 1 Mult.: 1
Current Sensors – Industrial Current Sensor 250A pri open +/-15V T60404-N4644-X201 Vacuumschmelze 1: $44.37 648In Stock	Mfr. Part No. T60404-N4644-X201 Mouser Part No 983-T60404-N4644X201	Vacuumschmelze	Current Sensors – Industrial Current Sensor 250A pri open +/-15V Learn More about Vacuumschmelze vac industrial current sensors	Datasheet	648In Stock	$44.37 $37.41 $34.77 $31.57 View $30.76 $29.87 Quote	Min.: 1 Mult.: 1
Board Mount Current Sensors Current Sensor 125A pri open +/-15V 1000 T60404-N4644-X200 Vacuumschmelze 1: $44.36 845In Stock	Mfr. Part No. T60404-N4644-X200 Mouser Part No 983-T60404-N4644X200	Vacuumschmelze	Board Mount Current Sensors Current Sensor 125A pri open +/-15V 1000 Learn More about Vacuumschmelze vac current sensors	Datasheet	845In Stock	$44.36 $37.41 $34.77 $31.56 View $30.76 $29.87 Quote	Min.: 1 Mult.: 1
Current Sensors – Industrial Current Sensor 250A pri open +/-15V horz T60404-N4644-X271 Vacuumschmelze 1: $45.60 389In Stock	Mfr. Part No. T60404-N4644-X271 Mouser Part No 983-T60404-N4644X271	Vacuumschmelze	Current Sensors – Industrial Current Sensor 250A pri open +/-15V horz Learn More about Vacuumschmelze vac industrial current sensors	Datasheet	389In Stock	$45.60 $38.46 $35.74 $32.45 View $31.62 $30.71 Quote	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 2 m (6.5 ft) Cable QS18AB6AF40 Banner Engineering 1: $130.00 18In Stock	Mfr. Part No. QS18AB6AF40 Mouser Part No 778-QS18AB6AF40	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	18In Stock	$130.00	Min.: 1 Mult.: 1
Distance Sensor Modules - Enclosed Laser Ranging Sensor UART (4-400cm) SEN0491 DFRobot 1: $24.90 9In Stock	Mfr. Part No. SEN0491 Mouser Part No 426-SEN0491	DFRobot	Distance Sensor Modules - Enclosed Laser Ranging Sensor UART (4-400cm) Learn More about DFRobot sen0491 laser ranging sensor uart		9In Stock	$24.90	Min.: 1 Mult.: 1
Current Sensors – Industrial Fluxgate 1500A 12V CAN TH CF1S010N-S1500C Littelfuse 1: $111.50 100Expected 07/12/2026 New Product	Mfr. Part No. CF1S010N-S1500C Mouser Part No 576-CF1S010N-S1500C New Product	Littelfuse	Current Sensors – Industrial Fluxgate 1500A 12V CAN TH Learn More about Littelfuse cf1s010n cf1s011n current sensors	Datasheet	100Expected 07/12/2026	$111.50 $94.05 $87.41 $85.98	Min.: 1 Mult.: 1
Current Sensors – Industrial Fluxgate 1500A 24V CAN TH CF1S011N-S1500C Littelfuse 1: $117.07 100Expected 07/12/2026 New Product	Mfr. Part No. CF1S011N-S1500C Mouser Part No 576-CF1S011N-S1500C New Product	Littelfuse	Current Sensors – Industrial Fluxgate 1500A 24V CAN TH Learn More about Littelfuse cf1s010n cf1s011n current sensors	Datasheet	100Expected 07/12/2026	$117.07 $98.75 $91.78 $90.27	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 2 m (6.5 ft) Cable QS18AB6AF350 Banner Engineering 1: $130.00 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. QS18AB6AF350 Mouser Part No 778-QS18AB6AF350	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 3 Weeks	$130.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD QS18AB6AF350Q5 Banner Engineering 1: $155.38 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18AB6AF350Q5 Mouser Part No 778-QS18AB6AF350Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$155.38	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD QS18AB6AF40Q5 Banner Engineering 1: $157.25 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18AB6AF40Q5 Mouser Part No 778-QS18AB6AF40Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$157.25	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD QS18AB6AFF200Q5 Banner Engineering 1: $157.25 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18AB6AFF200Q5 Mouser Part No 778-QS18AB6AFF200Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$157.25	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD QS18AB6AFF40Q5 Banner Engineering 1: $162.89 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18AB6AFF40Q5 Mouser Part No 778-QS18AB6AFF40Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Bipolar NPN and PNP Light Operate; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$162.89	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 2 m (6.5 ft) Cable QS18VN6AF350 Banner Engineering 1: $130.00 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. QS18VN6AF350 Mouser Part No 778-QS18VN6AF350	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 3 Weeks	$130.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD QS18VN6AF350Q5 Banner Engineering 1: $153.00 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. QS18VN6AF350Q5 Mouser Part No 778-QS18VN6AF350Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 3 Weeks	$153.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 2 m (6.5 ft) Cable QS18VN6AF40 Banner Engineering 1: $138.52 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VN6AF40 Mouser Part No 778-QS18VN6AF40	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$138.52	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD QS18VN6AF40Q5 Banner Engineering 1: $153.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VN6AF40Q5 Mouser Part No 778-QS18VN6AF40Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$153.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD QS18VN6AFF200Q5 Banner Engineering 1: $162.89 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VN6AFF200Q5 Mouser Part No 778-QS18VN6AFF200Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$162.89	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 2 m (6.5 ft) Cable QS18VP6AF350 Banner Engineering 1: $130.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AF350 Mouser Part No 778-QS18VP6AF350	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$130.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD QS18VP6AF350Q5 Banner Engineering 1: $153.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AF350Q5 Mouser Part No 778-QS18VP6AF350Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 350 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$153.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 2 m (6.5 ft) Cable QS18VP6AF40 Banner Engineering 1: $134.10 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AF40 Mouser Part No 778-QS18VP6AF40	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$134.10	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD QS18VP6AF40Q5 Banner Engineering 1: $157.54 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AF40Q5 Mouser Part No 778-QS18VP6AF40Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$157.54	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 2 m (6.5 ft) Cable QS18VP6AFF200 Banner Engineering 1: $130.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AFF200 Mouser Part No 778-QS18VP6AFF200	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 2 m (6.5 ft) Cable Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$130.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD QS18VP6AFF200Q5 Banner Engineering 1: $153.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AFF200Q5 Mouser Part No 778-QS18VP6AFF200Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 30-200 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$153.00	Min.: 1 Mult.: 1
Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD QS18VP6AFF40Q5 Banner Engineering 1: $153.00 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. QS18VP6AFF40Q5 Mouser Part No 778-QS18VP6AFF40Q5	Banner Engineering	Photoelectric Sensors WORLD-BEAM: Adjustable Field Foreground Suppression; Cutoff Adjustment Range: 15-40 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD Learn More about Banner Engineering banner qs18 photoelectric sensors	Datasheet	Non-Stocked Lead-Time 7 Weeks	$153.00	Min.: 1 Mult.: 1

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