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PB300E SERIES

TIME CONTROLS

INSTALLATION

OPERATION &

SERVICE MANUAL

24 Hr. Electronic Timer Replacement/Upgrade Kits

Model: PB313EK; Clock Supply Voltage: 120 V. 50-60 HZ
Model: PB314EK; Clock Supply Voltage: 240 V. 50-60 HZ

GENERAL INFORMATION

SPECIFICATIONS 

The PB300EK Series Electronic Timers are made 

to fit and replace most PB series Intermatic and 

certain other brand mechanical 

or electronic timers. The connected load 

however, must not exceed the rating of this 

timer. The timer is completely enclosed and a 

replaceable lithium battery will hold up memory 

for up to three years.  

The kit contains all the necessary hardware for a 

speedy repair or exchange.

Rating: 

  16A-Resistive, 8A FLA

Contact Configuration: 

  Single Pole, Double Pole

Power Consumption: 

  8V A

Battery Type: 

  CR2032 (1.5V Lithium)

Battery Life: 

  3 Years Minimum

No. of Programming Periods: 

  8 On/8 Off

Minimum Interval: 

  1 minute

INSTALLATION 

CAUTION:

•  Prior to installation, disconnect electricity at main panel

•  Make sure the clock supply voltage of the timer slated for replacement is the same as this timer.

•  Make sure the intended load is within the capacity of this timer-see specifications above. 
1.  Both the old and the new timers have two sets of terminals: LOAD and CLOCK SUPPLY. Identify and mark the 

leads connected to these terminals.

2A. Old Timer with four 1/4 inch tabs: Remove female terminals from tabs and remove timer. Install new timer, using 

the screws and nuts supplied. Reconnect the two clock supply leads to CLOCK SUPPLY terminals and either one of 

the load leads to terminal C and the other load lead to N.O. (normally open) terminal.

2B. Old Timer with two CLOCK SUPPLY LEADS and two 1/4 inch LOAD tabs: Disconnect leads at twist on wire 

connectors and remove female terminals from tabs. Remove timer. Install new timer, using the screws and nuts sup-

plied. Connect the stripped ends of either leads (supplied) to either wire-nutted junctions. Connect either one of the 

load leads to terminal C and the other load lead to N.O. (normally open) terminal.

2C. For other than Intermatic made timers, timers with 5 tabs and/or permanently attached leads, identify first each lead 

 or tab then follow 2A or 2B above and corresponding markings on back of new timer.

INDEPENDENT

CLOCK SUPPLY

.250 MALE QUICK CONNECT

TERMINALS.

MYLAR INSULATOR

PROTECTING BATTERY

CONTACTS-REMOVE

BEFORE INSTALLATION

     NC

NO     C

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