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ALS-310N Limit Switch
Design
 The ALS-300 Series Limit Switch Boxes have three models. One is ALS-310N (mechanical), second is
ALS-320N (Proximity Sensor), and third is ALS-330N (4-20mA feedback). These kinds of limit switch
box were designed through advance and state-of-the-art engineering technology which have the product
to be solid, beautiful and with high-level quality. The product also fully meets IP specifications and the
bracket is designed in light of ISO5211 and NAMUR standard.
Features
1、Compact and beautiful design
Aluminum die-casting housing and powder coated
2、Multiview visual position Indicator
Secure waterproof, multi-angles visual Valve positions involving top and side view
3、"Quick-Set" cam
Spring loaded splinted cam. No need to adjust again after initial setting and Easy setting without tool
4、Multipoint terminal strip
Standard 8 points and enough strips for connection(10 points for optional)
5、Dual cable entries
2xG1/2 (Standard) and M20x1.5, 1/2NPT (Optional)
6、Captive cover bolts
No worry to loose bolts while cover opens
7、Easy mounting
NAMUR standard steel plate or stainless steel (optional) shaft and bracket
Structure and Material(ALS-210N)
| No. |
Part Name |
Qty. |
Material |
Picture |
| 1 |
Box Cover |
1 |
Aluminum Die Casting |
|
| 2 |
Box Body |
1 |
Aluminum Die Casting |
| 3 |
Shaft |
1 |
Stainless Steel |
| 4 |
Indicator Cover |
1 |
Polycarbonate |
| 5 |
Indicator |
1 |
ABS/Polycarbonate |
| 6 |
Limit Switch |
2 |
Mechanical |
| 7 |
Terminal Strip |
8 |
Polycarbonate |
| Tin Plated Brass |
| Stainless Steel |
| 8 |
Cam |
2 |
Polycarbonate |
| 9 |
Spring |
1 |
Stainless Steel |
| 10 |
Cover Bolts |
4 |
Stainless Steel |
| 11 |
Shelf O-ring |
2 |
NBR |
| 12 |
Housing O-ring |
1 |
NBR |
| 13 |
Indicator O-ring |
1 |
NBR |
| 14 |
Bushing |
2 |
Bronze |
| 15 |
Earth Lug |
1 |
Stainless Steel |
| 16 |
E-ring |
2 |
Stainless Steel |
Specification
| Model |
Weather Proof |
Temperature Range |
Cable Entry |
Terminal Strips |
Position Indicator |
Switches |
| ALS-310N |
Standard |
IP67 |
-20℃~85℃ |
2xG1/2
|
8 Points |
0~90˚
Open-Yellow
Close-Red |
Mechanical
(5A125-250VAC) |
| Option |
2-M20×1.5 |
9~24 Points |
Dimension
Mounting Bracket
| Model |
Picture |
Material |
Application |
| MB-3.0 |
 |
Steel Plate |
30x80 H:20~30 |
| Stainless Steel |
| MB-3.1 |
|
Steel Plate |
30x130 H:30-50 |
| Stainless Steel |
| MB-3.2 |
 |
Stainless Steel |
30x80 H:20 |
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