High reputation JWBT859 Non Switchboard Explosion Proof Telephone for Denmark Factory

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High reputation JWBT859 Non Switchboard Explosion Proof Telephone for Denmark Factory Detail:


1. Suitable for explosive gas atmospheres Zone 1 and Zone 2.

2. Suitable for IIA, IIB explosive atmosphere.

3. Suitable for dust Zone 20, Zone 21 and Zone 22.

4. Suitable for temperature class T1 ~ T6.

5. Widely used in oil exploration, chemical, military, pharmaceutical, oil refining and other hazardous environments and depots, offshore oil platform, oil tankers and other places.

Product Feature

1. The telephone can form an independent communication system.

2. With five self-conversion channel: called pick up the phone, the system can automatically convert the channel, while cutting off the loudspeaker, enter the normal call state.

3. The telephone has a single call function (the dialing number only calls a telephone in the system that needs to be called).

4. The telephone has a group call function (dialing only calls these systems in the system). Example: we have 10 calls for a group, dial the group number when the system, which only a group of phone can hear the caller’s voice.

5. After the composition of the call system, the product has an automatic gain function, the size of the voice does not vary with the length of the phone or the number of changes.

6. The telephone has full call function (all calls in the dialing system).

Technical Parameter

Explosion-proof mark


Working voltage


Standby work current


PA output power


Frequency response

2503000 Hz

Ringing level


Defend Grade


Corrosion Grade


Ambient Temperature


Atmospheric Pressure


Relative Humidity


Lead Hole





Wall Mounted


Using Method

1. The caller takes the handset off hook →Full type call: press “* #” to start.

2. The caller takes the handset off hook → Group call: call preset numbers according to the group or the area.

3. The caller takes the handset off hook→ Single call: dial the callee’s number.

4. The callee(s) hears the calling →The callee(s) pick(s) up the handset to answer the call, every sides under normal conversations.

5. There are two volume control keys”+ / + – / -” to adjust the volume according to the size of the noise levels. Enter “R” key to redial.

6. Number settings: take the handset off hook → enter “### 156″, then hear “ding-dong” → enter “13″ → hang up→ wait 3 seconds → take the handset off hook → enter “### 159″, then hear “ding-dong”→enter” XYZ “→ hang up; The phone number is set to” XYZ “.


1 unit per carton; Carton Size:44x32x27cm


Under normal use, non-human damage, free one-year warranty;

Product detail pictures:

High reputation
 JWBT859 Non Switchboard Explosion Proof Telephone for Denmark Factory detail pictures

High reputation
 JWBT859 Non Switchboard Explosion Proof Telephone for Denmark Factory detail pictures

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By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for High reputation JWBT859 Non Switchboard Explosion Proof Telephone for Denmark Factory, The product will supply to all over the world, such as: Uruguay , Bulgaria , Montreal , Please feel cost-free to send us your specifications and we'll respond to you asap. We've got a professional engineering team to serve for the every single detailed needs. Free samples may be sent for you personally to know far more facts. So that you can meet your desires, please really feel cost-free to contact us. You could send us emails and call us straight. Additionally, we welcome visits to our factory from all over the world for much better recognizing of our corporation. nd merchandise. In our trade with merchants of several countries, we often adhere to the principle of equality and mutual advantage. It is our hope to market, by joint efforts, both trade and friendship to our mutual benefit. We look forward to getting your inquiries.
  • This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Norma from Libya - 2015.12.10 19:03
    Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Nina from Chicago - 2015.11.04 10:32

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