Reduced Voltage Starters, Combination Starters, and Pump Control Panels

Catalogs > Industrial Controls Catalog > Motor Control, NEMA > Contactors, Starters, and Overload Relays > Reduced Voltage Starters, Combination Starters, and Pump Control Panels > Bulletin 540 Wye-Delta Starters

Bulletin 540 Wye-Delta Starters

Product Selection

Heater Elements — Starters with eutectic alloy overload relays require 3 overload heater elements. Located on Eutectic Alloy Overload Relay Heater Elements.
NEMA Size	Continuous Ampere Rating [A]	Maximum Horsepower Rating Full Load Current Must Not Exceed “Continuous Ampere Rating”			Type 1 General Purpose	Type 3R/4/12 Rainproof, watertight, dusttight
		Motor Voltage			Open Circuit Transition	Open Circuit Transition
		200V	230V	460… 575V	Cat. No.	Cat. No.
1YD	47	10	10	10…15	540-LAÄ-µ	540-LFÄ-µ
2YD	78	15…20	15…25	20…40	540-MAÄ-µ	540-MFÄ-µ
3YD	156	25…40	30…50	50…75	540-PAÄ-µ	540-PFÄ-µ
4YD	233	50…60	60…75	100…150	540-SAÄ-µ	540-SFÄ-µ
5YD	467	75…150	100…150	200…300	540-UAÄ-µ	540-UFÄ-µ

Ä Coil Voltage Code

The cat. no. as listed is incomplete. Select a coil voltage code from the table below to complete the cat. no. Example: Cat. No. 540-LAÄ-µ becomes Cat. No. 540-LAB-µ. For other voltages, please contact your local Rockwell Automation sales office or Allen-Bradley distributor.

[V]		208	230…240	460…480	575…600
Common Control	AC, 60 Hz	H	A	B	C
Transformer Control (See ¬ Note: )
120V Separate Control (without transformer)		HD	AD	BD	CD

µ Overload Relay Code

Use to order solid-state overload relay. Do not use when ordering eutectic alloy overload relay. The cat. no. as listed is incomplete. Select an overload relay code from E1 Plus Solid-State Overload Relay
(Selectable Class 10, 20, or 30) (Automatic/Manual Reset) to complete the cat. no. Example: Cat. No. 540-LAB-µ becomes Cat. No. 540-LAB-A2D.