Technical Bulletins

Type 230-PM Combination Controller

Bulletin Type 230-PM Combination Controller (pdf)
Bulletin 230-PM-SPEC Typical Ordering Specifications (pdf)
Bulletin 230-PM-DIM Outline, Mounting & Conduits (pdf)
Bulletin 981 Installation (pdf)
Bulletin 1031 Maintenance (pdf)

Type 230 Combination Controller

Bulletin 230 Combination Controller (pdf)
Bulletin 230 Spec - Typical Ordering Specifications (pdf)
Bulletin 981 - Installation (pdf)
Bulletin 1031 - Maintenance (pdf)

​Technical Bulletins


Electrical Components

Bulletin 818 -Ground Fault Sensor (pdf)
Bulletin 9-31660 - Overload Relay Heater and Current Transformer Selections (pdf)
Bulletin 9-31660-TC Trip-Current Curve, Cutler Hammer Overload Relay (pdf)
Bulletin 9-31670-F20 Square D Solid State Overload & Phase Loss Relay (pdf)
​Bulletin 1051 ​Disposal of Mercury Switches (pdf)

EJ-2 Fuses
Bulletin 9-32730 - Type EJ-2 Fuse Applications 2400V and 4160V  (pdf)
Bulletin 9-32731 - Type EJ-2 Fuse Application 2400V and 4160V for Transformer Controllers (pdf)
Bulletin 9-32730-CL - Current Limiting Characteristics (pdf)
Bulletin 9-32730-TC - Total Clearing Times (pdf)

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Standard Terms and Conditions (pdf)