Adjustable Short Hinge Roller Level Type 5A 250V Position Switch

• Customization: Available
• Pressing Type: Spring Roller
• Number of Switch: Double Control Switch
• Model NO.: NM-1743
• Protection: Waterproof
• Size: Small-Sized
• Environment: ﹤250℃
• Breaking Capacity: Micro-Current
• Breaking Form: Single Type
• Application: Electronic Equipment
• Brand: Chnanma
• Certification: CE, CCC
• Transport Package: 10pieces in One Box
• Specification: Small-Sized
• Trademark: CHNANMA
• Origin: Zhejiang China
• HS Code: 8536500090
• Production Capacity: 1000pieces/Mouth
• Package Size: 0.25cm * 0.45cm * 0.32cm
• Package Gross Weight: 10.000kg

Product Description

1. Switch Feature:                                                                 Part NO: NM-1308

Max Current AND Voltage:   5A AC250V /15A AC250V/25A AC250V

Contact : 1NO+1NC

Tip material: Silver tip

Contact material: Brass

Level material:  stainless steel top roller plunger

Ambient operating temperature: 25°C to 80°C (with no icing)

Ambient operating humidity: 35% to 85%RH

2.Product display&drawing show

Rated voltage	Non-inductive load				Inductive load
	Resistive load		lamp load		Inductive load		Moto load
	N.C	N.O	N.C	N.O	N.C	N.O	N.C	N.O
125 VAC	15	15	15	15	5	2.5	Max 30	Max 15
250 VAC	15	15	15	15	3	1.5
500 VAC	3	3	2.5	2.5	1.5	0.75
8 VDC	15	15	15	15	5	5
14 VDC	15	15	1	1	5	5
30 VDC	6(2)	6	5	5	5	5
125 VDC	0.4	0.4	0.05	0.05	0.05	0.05
250 VDC	0.2	0.2	0.03	0.03	0.03	0.03

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

Operating speed	0.01mm to 1m/sec
Operating	Mechanically: 240 operations/min.
frequency	Electrically: 20 operations/min.
Contact resistance	15mΩmax. (initial)
Insulation	100MΩmin. (at 500VDC)
resistance
Dielectric strength	1000VAC, 50/60Hz for 1 minute between
	non-continuous terminals
	2000VAC, 50/60Hz for 1 minute between
	current-carrying part and ground
Vibration	Mechanical durability: 10 to 55Hz
	1.5mm double amplitude
Shock	Mechanical durability:
	Approx. 1,000m/sec2 (approx. 100G's)
	Malfunction durability:
	Approx. 300m/sec2 (approx. 30G's)
Ambient operating	General purpose type: -25°to +80°C
temperature	Sealed type: -15 to 80°C
Humidity	General purpose type: 85%RH max.
	Sealed type: 95%RH
Service life	Mechanically: 20,000,000 operations min
	Electrically: 500,000 operations min.
Weight	Approx. 22 to 58g

4.Definitions of operating characteristics

OF: Operating Force	RF:Releasing Force
TF: Total Force	FP:Free Position
OP: Operating Position	RP:Releasing Position
TTP: Total Travel Position	PT:Pretravel
OT: Overtravel	MD:Movement Differential
TT:Total Travel

Model	NM-1743
OF Max	160g
RF Min	42g
PT Max	2.7mm
OT Min	2.4mm
MD Max	0.5mm
EP Max	43.6mm
OP mm	43.1±0.8

Why choose our switches 

1) We can provide you with different types of micro switches for your selection.

2) We can offer good quality electric life 500, 000-1, 000, 000times.

3) Various operating force, height and color for one switch for your choice.

4) Safety, on-time delivery, excellent quality with competitive price.

5) ODM&OEM professional design.

Customer's questions

Q1:How about the delivery time?
Answer:It's depends on the quantity, for example, 10000PCS need to OEM,
delivery time is 3-7 days.

Q2:What quality you can offer to us?
Answer:We now can do 1/2 years warranty, during the warranty time we can exchange all defective products from customers for free.

Q3:Can you give me samples to test?
Answer:Yes

Q4:What's you MOQ?
Answer:MOQ 2500PCS, mixed order acceptable, welcome trial order.


More information of our products, please do feel free to contact us.
Reply will be available within 24 hours. Thanks!