Heavy Duty Service Phone KNSP09


KNSP-09  is a IP66 watertight industrial service phone that is IP66 rated and supplied with a curly handset cord. 

Specially designed for use for both indoors and outdoors, the telephone addresses dusty, wet, corrosive, noisy, harsh environments within factories, industrial, leisure and public locations.

Made from aluminium alloy material by die casting, the service telephone is both rugged and durable. Special sealing design ensures complete waterproofing grade up to IP66, dust-proof and moisture-resistant, even when the door enclosure is opened.

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KNSP09 heavy duty service phone is weatherproof  IP66 rated, suited to the most extreme environments...

Designed for service use and emergency backup, manufactured from aluminium alloy, as a result this provides a high level of durability and corrosion resistance. Supplied with tamper proof components, fixing and mounting bars, and with a magnetic reed hook-switch and heavy duty handset, this including a hearing aid compatible receiver and noise cancelling microphone, the KNSP09 heavy duty service phone is available at all times. 

Pained with industrial powder coated in UV stabilised polyester finish, this ensures extra protection within corrosive environments (optional colours available) and covered with a layer of permanent reflective phone label for and easy identification.

The KNSP09 heavy duty service phone is used widely throughout industry

A must where reliability is essential; KNSP Series IP66 telephones maintain emergency and service communications 24 hours a day, 7 days a week, year on year….

Widely used in factories, tunnels, bridges, power plants, highways, underground or rail and also for public outdoor communications points, such as holiday parks. When industry requires heavy duty and reliable communications for emergency and service backup. The weatherproof vandal resistant telephone is also available in emergency orange, red and blue colours (on demand).

For use in varied and extreme temperatures changes a both ends of the scale, fully functional between -30 ~ +60 degrees and fully operational in relative humanity :10%~95%, also in high atmospheric pressures: 86~106 Kpa. MTBF: 100,000 hours.
Descriptions of KNSP09 heavy duty service phone functions

Features designed for ease of use and specifically for the needs of the user

When a emergency situation or disaster occurs and people’s lives are at risk, it is vitally important emergency telephones are fully functional, ready to communicate loud and clear. KNSP Series telephones tick all the boxes.

With a large keypad inclusive of thick waterproof and dusty proof buttons made from Silicon, ensures convenience for the user, particularly if wearing protective gloves. The keypad also has additional call functions, such as; number redial and flash memory, 10 button programmable for speed-dial.

Supplied Inclusive of a hearing Aid compatible receiver, an essential requirement for hard of hearing users. The noise cancelling microphone prevents interference from background noise, as is frequently a problem, this includes heavy industrial, highways and high wind locations.

Featuring a loud ringer  + 70dB(A) @ 1m, with further options to add further KNSP acoustic or visual call alerter’s, to provide extended call indication.

Remote Status Monitoring

Integrity wiring enables the control room to check if the telephones are full operational (providing the IP PBX or PABX have this feature available, we can provide this function), this is a simple to use systems. KNSP dispatch and management system phones are also available to ensure complete coordination from control rooms.

Version Availability

KNSP harsh environment watertight telephones are available to VoIP SIP PoE (Power over Ethernet) or analogue connection, powered by analogue line.


RCM: AS/NZS CISPR 32  Australian communications:AS/CA S004 Australian Equipment-safety: AS/NZS 60950.1:2015, EMC: EN50121(Railway application-Electromagnetic Compatibility), IP66 watertight and dust ingress rated

Certifications and conformity, CE, FC, IP66 and RoHS

Internal Relay’s.

Optionally (On Demand), up to 3 internal relays can be installed within the telephone itself and additional control buttons for local control. Remote users can dial the phone and enter PIN codes from their telephone keypad for remote commands. E.G. door / gate open or close, sound an alarm, switch on a camera / light etc.

Features available for customisation at factory level, feel free to contact us with your requirements. 


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Product Catagories

SPECIFICATION – Analogue(Model NO.SP0090012)

1. PSTN analogue telephone

2. DTMF dialing

3. MTBF:100000hours

4. MTTR: 2 hours

5. Connection: RJ11 screw terminal pair cable

6. Sound level of ringing:over 70dB(A).

7. Call transmission index:(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm.maximum distance: 7KM

8. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V.

9. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request),with stainless steel cable protected

10. Super strong function is available for dialing 12 groups of numbers stored in the memory,(maximum length of each number is 16 digits)

11. Standard frequency:low frequency group:697. 770. 852. 941Hz,high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%

12. Ambient temperature:-30 ~ +60 degree. Relative humidity: 10%~95% Atmospheric pressure: 86~106 Kpa Circumstance noise: less than 60 dB (A)


1. VoIP SIP2.0 telephone

2. DTMF dialing

3. MTBF100000hours

4. MTTR: 2 hours

5. Auxiliary Contacts:1 Aux Output, dry contact

6. Rated load:0.3 A at 125 VAC; 1 A at 30 VDC

7. Contact Ratings. Load: Resistive load

8. Echo cancellation code:G.167/G.168

9. Rated carry current:1A

10. Max.switching current:1A

11. Max.switching voltage:125 VAC,60VDC

12. Audio Codes:G.711, G.722, G.729

13. IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP

14. Free dial (maximum length of each number is 16 digits)

15. Communication: Full duplex 2-way hands-free communication

16. Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF)

17. Network:10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better

18. Power:Power over Ethernet, IEEE802.3af, Class 0  Local power, 12VDc,Idle 2W, Max 10W

19. Programming:Non-volatile flash memory programming and configuration through Web GUI

20. Management and Operation: DHCP and static IP, remote automatic software upgrade, centralised monitoring, status LED

21. LAN Protocols:Power over Ethernet(PoE,802.3af), WLAN(IEEE 802.3af), Network Access Control(IEEE 802.1x),STP(IEEE 802.1d), RSTP(IEEE 802.1d-2004)


mounting and packaging details of KNSP09 telephone

Unit size:320 *205*120mm             Unit: N.W:3.4KG
1pcs packing box size: 439 *277 *191mm      Unit N.W:4.5KG
6pcs in 1 outer Carton box: size: 730*390*340mm   N.W:29KG


VoIP / Analogue Service Communication Systems for Industry

knsp09 watertight service telephone mounted at underground train station

Service Telephone Management Solutions

Complete telephone system designed for heavy duty service telephones

For further information, please contact us.






Additional information

Weight 5 kg
Dimensions 45 × 30 × 20 cm


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