NPH1 Series Push Button IP54 Industrial Control Circuit Pushbutton
Switch
Product Description:
The NPH1 series pushbuttons are designed for industrial control
circuits operating at an alternating current (AC) frequency of 50
Hz or 60 Hz, with a rated working voltage up to 415 V AC, and a
direct current (DC) DC rated voltage up to 250 V DC. These buttons
are used to control electromagnetic starters, contactors, relays,
and other electrical circuits. Buttons with indicator lights are
also suitable for the light signal indication occasions.
Meet the standard: GB/T 14048.5.
Product Feature:
●Wiring: The NPH1 series button wiring terminals are designed to
accommodate connection wires with a cross-sectional area ranging
from 0.5 mm² to 2.5 mm².
●Accessory: The product includes a PG13.5 cable gland for the
knock-out hole.
●NPH1 Empty Box Compatibility: The NPH1 empty box is intended for
use in conjunction with NP8 series buttons.
●Contact Action: All contacts feature a dual action for switching
circuits and self-cleaning, ensuring reliable contact.
●Concealed Wiring Terminals: The wiring terminals are concealed,
providing safe and reliable connections.
●Key-Operated Button: The key-operated button allows the key to be
removed from all operational positions.
Product Specification:
| Type | Electrical Component Configuration |
| Operator | Number | Function | Contact state | Color Symbol |
| NPH1-10J | one-hole empty box with yellow top cover | | | | |
| NPH1-10 | one-hole empty box with light gray top cover | | | | |
| NPH1-1001 | Flat button | 1 | flat-head instant-action button | 1NO | green |
| NPH1-1002 | Flat button | 1 | flat-head instant-action symbol button | 1NO | green| |
| NPH1-1003 | Flat button | 1 | flat-head instant-action button | 1NC | red |
| NPH1-1004 | Flat button | 1 | flat-head instant-action symbol button | 1NC | red. |
| NPH1-1005 | Mushroom head button | 1 | φ40mushroom-head instant-action button | 1NO | green |
| NPH1-1006 | Mushroom head button | 1 | φ40mushroom-head instant-action button | 1NC | red |
| NPH1-1007 | rotary knob | 1 | a rotary selector switch two-position locking button | 1NO | black |
| NPH1-1008 | rotary knob | 1 | a rotary selector switch three-position locking button | 2NO | black |
| NPH1-1009 | self-locking button | 1 | φ40mushroom-head push-to-lock twist-to-reset button | 1NC | red |
| NPH1-1010 | self-locking button | 1 | φ60mushroom-head push-to-lock twist-to-reset button | 1NC | red |
| NPH1-1011 | key button | 1 | a key-operated selector switch two-position locking button | 1NC | |
| NPH1-20J | two-hole empty box with yellow top cover | | | | |
| NPH1-20 | two-hole empty box with light gray top cover | | | | |
| NPH1-2001 | Flat button | 1 | flat-head instant-action button | 1NO | green |
| Flat button | 1 | flat-head instant-action button | 1NC | red |
| NPH1-2002 | Flat button | 1 | flat-head instant-action button | 1NO | green| |
| Flat button | 1 | flat-head instant-action button | 1NC | red. |
| NPH1-2003 | Flat button | 1 | flat-head instant-action button | 1NO | white→ |
| Flat button | 1 | flat-head instant-action button | 1NC | black← |
| NPH1-2004 | Flat button | 1 | flat-head instant-action button | 1NO | white↑ |
| Flat button | 1 | flat-head instant-action button | 1NC | black↓ |
| NPH1-30J | three-hole empty box with yellow top cover | | | | |
| NPH1-30 | three-hole empty box with light gray top cover | | | | |
| NPH1-3001 | Flat button | 1 | flat-head instant-action button | 1NO | green |
| Flat button | 1 | flat-head instant-action button | 1NC | red |
| Flat button | 1 | flat-head instant-action button | 1NO | green |
| NPH1-3002 | Flat button | 1 | flat-head instant-action button | 1NO | green| |
| Flat button | 1 | flat-head instant-action button | 1NC | red. |
| Flat button | 1 | flat-head instant-action button | 1NO | green|| |
| NPH1-3003 | Flat button | 1 | flat-head instant-action button | 1NO | white→ |
| Flat button | 1 | flat-head instant-action button | 1NC | red. |
| Flat button | 1 | flat-head instant-action button | 1NO | black← |
| NPH1-3004 | Flat button | 1 | flat-head instant-action button | 1NO | white↑ |
| Flat button | 1 | flat-head instant-action button | 1NC | red. |
| Flat button | 1 | flat-head instant-action button | 1NO | black↓ |
| NPH1-3005 | Flat button | 1 | flat-head instant-action button | 1NO | green |
| Flat button | 1 | flat-head instant-action button | 1NC | red |
| Indicator button | 1 | 24V indicator light | | red |
| NPH1-3006 | Flat button | 1 | flat-head instant-action button | 1NO | green| |
| Flat button | 1 | flat-head instant-action button | 1NC | red. |
| Indicator button | 1 | 24V indicator light | | red |
Operating Conditions and Environmental Suitability:
●Ambient temperature is -5℃~+40°C, the average temperature during
24 hours couldn't exceed +35°C.
●Altitude: ≤2000m.
●Atmosphere condition: Relative humidity of the atmosphere couldn't
exceed 50% when the highest temperature is +40°C; much higher
relative humidity is allowable under the condition of lower
temperature, for example, when the temperature reaches +20°C, the
relative humidity is up to 90%, taking into account the
condensation that may occur on the product surfaces due to
temperature changes.
●Pollution grade: 3.
●Installation category: II.
●The agreed free air thermal current Ith: 10A.
●Mechanical life: flat head type, mushroom head type 1 million
times, others 100,000 times.
●Electric life: flat head type, mushroom head type AC500,000 times,
DC250,000 times, others 100,000 times.
●Head protection rating: IP54.
●Type and maximum rating of short circuit protection appliance: gG
type 16A.
