Warrick a Brand of Gems Sensors Series 47 Alarm Panel Control Catalog Page

Series 47
4-Channel Relay, Alarm Panel Control

 Solid State Reliability
 0-50K Ohm/cm Sensitivity
 Alarm Contacts for Audible and Visual Alarms
 4 Channel Relay
 Removable Terminal Strips
 Inverse or Direct Acting Field Selectable
 U.L. Listed

Series 47 controls offer complete alarm panel control in a single package. Powered
output contacts allow quick connection of lights and audible alarms. Test and silence
functions are built in. Unit also carries one SPDT master alarm contact for remote
alarm activation.

Approved for Class I, II, III, Division 1, Groups C, D, E, F, G hazardous atmospheres,
Series 47 controls supply four channels which can be used with conductivity liquid
level sensors or dry contact sensors.

This device functions as an alarm or single point control. Field adjustable for direct
or inverse operation, it can operate separate visual alarms with a common audible
alarm channel. Silence and test terminals are standard. For additional lights, alarms or

WARRICK CONDUCTIVITY SENSORS

outputs, auxiliary contacts must be ordered.

Alarm Specifications

Contact Design SPDT 1 N.O. & 1 N.C.
Master Alarm Contact Rating

(30VDC, 120/240VAC) 5 amp Resistive, 1/10 hp
Indicator Contacts Powered 120 VAC 25mA
Indicator Contacts for

Audible Alarm Powered 120 VAC 5A
Auxiliary Contacts (optional) SPDT 120 VAC 10A (not powered)

Sensitivity 0-50K ohm maximum specific resistance
Primary Voltage 120 VAC (+10%/-15%) 50/60 Hz
Secondary Voltage 12 VAC @ 6mA RMS
Temperature -40°F to +150°F (-40°C to +65°C)
Approvals U.L. 913 File # E44570

INTRINSICALLY SAFE CONTROLS

Series 47

Applications

• Hazardous Atmospheres • Input for Computer

• Monitoring and Control • Input for Phone Dialer

• Storage Tank Alarm Panels

Dimensions

4.62˝ (11.73cm)

3.00˝ (7.62cm)

6.75˝ (17.15cm)

7.37˝ (18.72cm)

3.00˝ (7.62cm)

1.76˝

(4.47cm)

Wiring

Notes:

1. Terminals 7, 8 & 9 are single-pole double-throw dry contacts
designed for remote alarms.

2. Terminals 8 & 9 close on fault.

3. Terminals 7 & 8 open on fault.

4. Contacts clear when the silence pushbutton is depressed or when
the fault condition is cleared.

How to Order

Use the Bold characters from the chart below to
construct a product code.

Series

47

Sensitivity (ohms)

C – 26K

Supply Voltage

1 – 120 VAC

Auxiliary Contacts

A – Auxiliary Contacts

Number of Probe Channels

3A1 – One

See Our Interstitial Tank Monitoring Products
on page A-22.

D – 50K E – 100K

B – No Auxiliary Contacts

2A2 – Two 1A3 – Three 0A4 – Four

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