ABB 300-line NEMA-rated full voltage controls

ABB 300-line NEMA-rated full voltage controls

INTRODUCTION

The 300-line of NEMA-rated controls offers dependability and long-term performance for the most demanding industrial installations. And with all the options available, you can match the 300-line to your toughest applications.Simplicity and durability are key to the 300-line. The unique design allows for contact inspection or coil change-outs in just seconds, and contact replacement in a matter of minutes. There’s no need to use tools to remove the starter or contactor from the enclosure, or to remove control or power wires.

Simplicity in design

A wide range of choices

• Non-reversing, reversing, two-speed and combination motor starters in sizes 00–6 

• NEMA Type 1, 3R, 12, 4 and 4X enclosures available 

• Save time and money with a single source for all your applications

Versatile, durable and the industry’s easiest to maintain

• Change the coil voltage on a contactor or starter to suit your application 

• Inspect and change out contacts without removing any wires, or removing the starter from the enclosure

Two options for motor protection

• Three-leg block overload relays feature dual bimetal overload protection and adjustable ±10% trip current for added flexibility 

• Solid-state overload relays provide added motor protection for critical processes, feature selectable 10/20/30 trip class for application flexibility and surface-mount

Largest selection of modification and accessory kits technology for increased reliability

• Cost-effective solutions 

• Allows for application and configuration flexibility 

• Kits include auxiliary contacts, coils, surge suppression, fifth-pole, mechanical interlocks, control circuit fusing, NEMA type enclosures, selector switches, indicating lights, control transformers, space heaters and more.

The 300-line starter is a full voltage, magnetic motor starter with encapsulated coil and three-leg block overload relay with visual trip indicator, manual reset and manual weld check. It incorporates all the features and benefits users demand and has received standard specification approval by many major manufacturers.

The 300-line is available in the following forms: NEMA sizes 00–6 

• Standard non-reversing 

• Reversing 

• Two-speed 

• Combination

Several features

• All line and load terminals on NEMA size 00, 0 and 1 starters can accommodate ring, spade and stripped-wire terminations 

• Tool-less disassembly for sizes 00–4 

• Terminal numbering is permanently stamped 

• NEMA size 00–1 terminals are staggered for easy termination 

• In-line, stripped-wire connections are standard for NEMA size 2–6 starters 

• Ring terminal options available for sizes 2–5 

• Optional terminals available on NEMA size 1–4 starters to permit easy connection of power factor correction capacitors for energy conservation 

• NEMA size 1 starters and larger feature weld-resistant silver alloy contact tips 

• Contacts have a wedge-shaped configuration for positive make with minimum bounce

• Size 00, 0 and 1 contacts can be easily changed from normally open to normally closed without additional parts 

• The magnet provides long life and is specially treated to resist rust 

• Molded coil is impervious to moisture, dirt and oil and is highly resistant to mechanical damage and high-humidity failure 

• Retaining clips engage detents encapsulated in the coil to hold it securely in place

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