System Overview
This system is composed of a CPC-4 controller and one or more (20 max.) 0KB3 photoelectric smoke detectors that provide high sensitivity smoke detection for use inside tight enclosures such as large-scale computers, semiconductor tools or any tight electrical spaces requiring high sensitivity smoke detection.
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Main features
![](img/cpc_pic1.jpg)
- Compact design allows installation in limited spaces in a variety of applications.
- High sensitivity and high air flow resistance (Effective up to 8m/s).
- Generate a voted "AND" Fire Alarm (two detectors simultaneous activation) or a “SINGLE” Fire Alarm (one detector activation).
- Operating temperature up to 60 degree C.
- Automatic sensitivity compensation ensures smoke detection performance against dust accumulation.
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System Configration and Specifications
![](img/cpc_pic2.jpg)
Model name | 0KB3 |
---|---|
Rated Voltage | DC19V between L-C DC12V between P-C |
Rated Current | Between L-C: 5mA, Between P-C: 100mA |
Current Consumption | Standby: 50μA, Alarm: 5mA |
Detection Method | Light Scattering Type |
Sensitivity | 4% / m Obscuration (Equivalent to class 1 or more in Japan Fire Service Law) |
Applicable Receiver | CPC series |
Other features | Auto Sensitivity Compensation Function, RoHS compliant, KC mark certified |
Applicable Temperature | -10℃~+60℃ |
Material | Polycarbonate |
Mass | 55g (Body: 38.5g, Base: 16.5g) |
Model name | CPC-4 | CPC-4-24 | CPC-4A | CPC-4A-24 | |
---|---|---|---|---|---|
Detector Address Display | No detector address displayed | Detector address displayed | |||
Rated Voltage | AC100~240V 50/60Hz | DC24V/AC24V 50/60Hz | AC100~240V 50/60Hz | DC24V/AC24V 50/60Hz | |
Rated Current | Standby | 1.4VA(AC100V) 2.1VA(AC240V) | 0.9VA(DC24V) 1.6VA(AC24V) | 1.6VA(AC100V) 2.8VA(AC240V) | 0.9VA(DC24V) 1.8VA(AC24V) |
Alarm | 3.2VA(AC100V) 4.8VA(AC240V) | 2.2VA(DC24V) 3.4VA(AC24V) | 3.2VA(AC100V) 4.7VA(AC240V) | 2.9VA(DC24V) 3.5VA(AC24V) | |
Detector Power Voltage | DC19V | ||||
External Wiring Resistance | 20Ω or less (between Control Panel and distal Smoke Detector) | ||||
End of Line Resistor | 7.5kΩ,1/4W | Not necessary | |||
Connectable model | 0KB3, 0KB(old model), 0IB(old model) | 0KB3 *Old models are not applicable | |||
Max. No. of Detector | 20 units max | ||||
Alarm sound | Buzzer | ||||
Relay Contact Point (Non-Voltage C Contact) | Fault, Fire Alarm, Detector Operated Contact Point Ratings: DC30V, 1A / AC 125V, 0.3A (resistance load) | ||||
Trouble Alarm | Short Circuit, Cable Break, Detector drop-off | Short Circuit, Cable Break Detector drop-off(Detector address display), Periodic self-diagnosis abnormality (detector address display) | |||
Other features | RoHS compliant, ETL approved(UL STD 61010-1), KC mark/EMC certified(CPC-4-24 only) | ||||
Applicable Temperature Range | 0℃~+60℃ | ||||
Material | Alminum: Processed to Almite, Steel: Processed to Trivalent Chrome | ||||
Mass | Approx. 570g | Approox. 580g |
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Installation Example
Example1 (Various production equipment, large control panels, etc.)
- Embed both the 0KB3 and the CPC-4 in the machinery that protect from a fire, the fire signal and failure signal are transferred and output to the outside.
- If there is a fan in the machinery, sensors should be installed near the exhaust fan.
- If higher reliability is required, embed two units and possible to generate fire alarm by “AND” signal
![](img/cpc_pic5.jpg)
Photo embedded in the panel
(a sensor only)
![](img/cpc_pic6.png)
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Example2 (Multiple rows of control panels, meta-clad panels, etc.)
- One or two sensors will be embedded on each board, and the receiver will be installed at the disaster management center.
- By using a receiver (CPC-4A) with a sensor address display function, the position of the board that detected an abnormality can be found on the receiver.
- By using the transfer terminal equipped on each sensor, it is possible to activate patlite, relays, etc. for each sensor.
(Separate power supply is required)
![](img/cpc_pic7.jpg)
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Example3 (Exhaust duct)
- A sampling box is installed in the middle of the exhaust heat duct of the production equipment to monitor the smoke contained in the exhaust.
- Embed a detector at a place that will surely be an air passage with considering the air flow,
- Recommend embedding two or more sensors.
![](img/cpc_pic8.jpg)
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Example of Application
■Clients
- Semiconductor manufacturing equipment maker
- Semiconductor device maker
- Electronic measuring instrument manufacturer
- Automated test equipment manufacturers
- Generator manufacturers
- Information Communication System maker
- U.S. aircraft manufacturer
■Equipment
- IC checker cabinet
- IC tester cabinet
- Semiconductor manufacturing equipment cabinet
- Auto production line cabinet
- Computer, PBX(Private Branch eXchange)
- Rest room in aircraft
- EV Charging Station etc.
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More info
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