Function and Purpose
The NP8 series buttons are applicable to industrial control circuits with AC 50Hz (60Hz), rated operating voltage 415V or below, or DC rated operating voltage 250V or below, as control for electromagnetic starters, contactors, relays, and other electrical circuits. Buttons with indicator lights are also suitable for occasions requiring light signal indication. Conforms to the standard: GB/T 14048.5.
Detail Description
Parameters:
Rated insulation voltage Ui: 500V
Agreed free air heating current Ith: 10A
Mechanical life: 3 million times for flat head, mushroom head, and illuminated type, 300,000 times for knob, and 100,000 times for others
Rated impulse withstand voltage Uimp: 2.5kV
Advantages/Core Functions:
01 Arc design, comfortable touch
Decorative ring adopts arc design, conforms to the feel of the hand
The middle seat is designed with anti-slip, preventing the screwdriver from slipping during installation and removal
02 Clever design, convenient and easy to use
Compact size, meeting the customer's demand for small cabinet bodies
Up to 6 sets of contacts can be installed, 3 sets of contacts can be installed on a single layer
CE certification, meeting export requirements
03 Excellent performance, safe and reliable
Adaptable to harsh environments, with protection level up to IP54
Durable, reliable contact without failure for millions of times, strong mechanical life
Detail Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| 4.1 The rated electrical of the relevant usage category is shown in Table 2. | AC-15 | Rated operating voltage (V) 415 |
| | Rated operating current (A) 1.9 |
| | Rated operating voltage (V) 240 |
| | Rated operating current (A) 3 |
| | Rated operating voltage (V) 120 |
| | Rated operating current (A) 6 |
| DC-13 | Rated operating voltage (V) 250 |
| | Rated operating current (A) 0.27 |
| | Rated operating voltage (V) 125 |
| | Rated operating current (A) 0.55 |
| | Rated operating voltage (V) - |
| | Rated operating current (A) - |
| 4.2 Basic parameters of indicator lamp for illuminated button are shown in Table 3. | Basic parameters | LED lamp |
| Rated operating current (Ie) | ≤ 20mA |
| Rated operating voltage (Ue) | AC/DC 6V 12V 24V 36V AC 110V-220V |
| 4.3 The head protection level is IP54. | | |
| 4.4 Mechanical life: 3 million times for flat head, mushroom head, and illuminated type, 300,000 times for knob, and 100,000 times for others. | | |
| 4.5 Electrical life: 1 million times for flat head, mushroom head, and illuminated type AC, 250,000 times DC, and 100,000 times for others. | | |
| 4.6 Type and maximum rated value of short-circuit protection device: gG type 16A. | | |
