Leyu Brand Travel Limit Switch for Construction Hoist Elevator Spare Parts

• Customization: Available
• Structure: Extreme Limit Switch /Working Limit Switch
• Type: Explosion-Proof Limit Switch
• Model NO.: TZ-8122
• Certification: RoHS, CE, ISO
• Switching Element: Slow Break Switch
• Application: Crane/Elevator
• Contactless Type: All
• Contact: All
• Ambient Temperature: -5ºC to +65ºC
• Humidity: <95% Rh
• Weight: About 130 to 190g
• IEC: IP65
• Transport Package: Carton
• Specification: 10*10*10
• Trademark: LEYU
• Origin: China
• HS Code: 8536900000
• Production Capacity: 500000
• Package Size: 2.25cm * 9.00cm * 10.00cm
• Package Gross Weight: 0.200kg

Product Description

Features:
 

Product Description

Double circuit type of limit switch
Highly rigid construction, consists of zinc cast and intensive plastic
Small volume, water-proof and oil-proof construction
Built-in basic switch with double spring mechanism, longer mechanical life
Smooth operation with greater OT
Easy-to-wire circuit opening design
Wide variety of actuators, easily use
 
Characteristics

Operation speed	0.5mm-50cm/sec
Operating frequency	Mechanical: 120 operations/m, Electrical: 30 operations/m
Contact resistance	25mΩ max. (initial value)
Insulation resistance	100mΩ min. (Below 500VDC)
Dielectric strength	1000VAC, 50/60HZ for 1 minute between noncontinuious terminal
	1500VAC, 50/60 HZ for 1 minute between load current and no load current
	1500VAC, 50/60 HZ for 1 minute between each terminal and ground
Vibration	10-55HZ,1.5mm double amplitude
Shock	Mechanical durability 1000m/ sec2 (about 100G'S) Malfunction: 300m/ sec2 (about 30G'S)
Ambient temperature	-5ºC to +65ºC
Humidity	<95% RH
Life	Mechanical: 10,000,000 operations above Electrical: 500,000 operations above
Weight	About 130 to 190g
IEC	IP65

 
Ratings

Rated Voltage	Noninductive Load (A)				Inductive Load (A)
	Resistance Load		Lamp Load		Inductive Load		Motor Load
	NC	NO	NC	NO	NC	NO	NC	NO
125VAC 250VAC 500VAC	5 5	5 5	1.5 1	0.7 0.5	3 3	3 3	2 1.5	1 0.8
8VDC 14VDC 30VDC 125VDC 250VDC	5 5 5 0.4 0.2	5 5 5 0.4 0.2	3 3 3	3 3 3	5 4 4	4 4 4	3 3 3	3 3 3
Inrush Current	N.C: below 24A, N.O: below 12A

 
NOTES:
1.Inductive load has a power factor of 0.4 min.(AC) and a time constant of 7 msec.max.(DC).
2.Lamp load has an inrush current of 10 times the steady-state current,while motor load has 
an inrush current of 6 times the steady-state current.
 

Models	TZ-8104	TZ-8108	TZ-8107	TZ-8111	TZ-8112/8122	TZ-8166/8167/8168/8169
OF Max.	750g	750g	750g	900g	900g	150g
RF Min.	100g	100g	100g	150g	150g	-
PT Max.	20º	20 º	20 º	1.5mm	1.5mm	30mm
OT Min.	50 º	50 º	50 º	4mm	4mm	-
MD Max.	12 º	12 º	12 º	1mm	1mm	-
OP	-	-	-	26 ± 0.8mm	37 ± 0.8mm	-