Technical data

April 2008
16-40
For more information visit: www.eaton.com PG03300001E
Accessories & Modification Codes
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Modification Codes
Modification Codes
Table 16-130. A — Ammeters, Auxiliary Contacts, Accelerating Relays,
Autotransformers
Table 16-130. A — Ammeters, Auxiliary Contacts, Accelerating Relays,
Autotransformers (Continued)

Oversize enclosure will be provided for IT. Starters.

Top mounted auxiliary contacts cannot be added to contactors in Box 1
(Type 1).

Not available for IT. Starters.

Available on XT Starters for 40A and greater only.
Table 16-131. B — Breaker Modifications, Backspin Timer,
Undervoltage Release, Bell Alarm, Bus Choke

A DC bus choke may be used in place of an AC line reactor for line
harmonic current reduction and for power source exceeding 500 kVA.
The DC bus choke will not provide any protection for line voltage
unbalance or transients.
Modification Catalog
Number
Suffix
Description
Ammeter

A1 Panel Type Wired to Current Transformer in
Line 1, Type 1, 12
Panel Type Wired to Current Transformer in
Line 1, Type 3R, 4X
A2 Panel Type, Selector Switch and 3 Current
Transformers Wired to Ammeter via Switch,
Type 1, 12
Panel Type, Selector Switch and 3 Current
Transformers Wired to Ammeter via Switch,
Type 3R, 4X
A3 Miniature (Single-Phase), Type 1, 12
A4 Miniature with Selector Switch, Type 1, 12
A5 Switchboard (Single-Phase), Type 1, 12
Switchboard (Single-Phase), Type 3R, 4X
A6 Switchboard with Selector Switch,
Type 1, 12
Switchboard with Selector Switch,
Type 3R, 4X
A7 3-Panel Type (Single-Phase), Type 1, 12
3-Panel Type (Single-Phase), Type 3R, 4X
A10 3 Miniature (Single-Phase), Type 1, 3R,
4X, 12
A11 3 Switchboard Type (Single-Phase),
Type 1, 12
3 Switchboard Type (Single-Phase),
Type 3R, 4X
A12 Ammeter Order by Description, Type 1, 3R,
4X, 12
Auto-
transformers
A8 hp Rating selection, see Pages 6-21 – 6-28
A9 Order by Description
Top Mounted
Auxiliary
Contacts

(Unwired)
NEMA Sizes
00 – 2 only
(Unwired)
IEC Sizes
B – L Only
(Unwired)
XT Series
A13 1NO
A14 1NC
A15 1NO-1NC
A16 2NO
A17 2NC
A18 2NO-1NC
A19 1NO-2NC
A20 3NO
A21 3NC
A22 3NO-1NC
A23 2NO-2NC
A24 1NO-3NC
A25 4NO
A26 4NC
Side Mounted
Auxiliary
Contacts

A27 1NO
A28 1NC
A29 1NO-1NC
A30 2NO
A31 2NC
A32 2NO-1NC
A33 1NO-2NC
A34 3NO
Modification Catalog
Number
Suffix
Description
Side Mounted
Auxiliary
Contacts,
continued

A35 3NC
A36 3NO-1NC
A37 2NO-2NC
A38 1NO-3NC
A39 4NO
A40 4NC
Auxiliary
Contacts

A42 Contacts Mounted on Operating Mechanism
of Disconnect Switch, 1NO-1NC
A43 Contacts Mounted on Operating Mechanism
of Disconnect Switch, 2NO-2NC
A44 With Auxiliary Contact Omitted
Accelerating
Relay
A46 For 2-Speed
A47 2NO/2NC 24V DC Auxiliary Relay — IT. Only
Modification Catalog
Number
Suffix
Description
Breaker B1 1NO-1NC Auxiliary Contact on Breaker
B2 2NO-2NC Auxiliary Contacts on Breaker
B3 Shunt Trip on Circuit Breaker —
48 – 127V AC or DC
B4 Shunt Trip on Circuit Breaker —
9 – 24V AC or DC
B5 Shunt Trip on Circuit Breaker —
208 – 380V AC
B6 Shunt Trip on Circuit Breaker —
415 – 600V AC or 220 – 250V DC
B8 Undervoltage Release for Breaker
B9 Current Limiter Mounted to Breaker
B10 Breaker — Order by Description
B11 Thermal Magnetic Breaker
Backspin Timer B12 180 Seconds
Undervoltage
Release
B13 Undervoltage Release for Circuit Breaker —
208 – 240V AC
B14 Undervoltage Release for Circuit Breaker —
380 – 480V AC
B15 Undervoltage Release for Circuit Breaker —
525 – 600V AC
Bell Alarm B16 Bell Alarm for Circuit Breaker
Bus Choke
(MVX)
B20 DC Bus Choke, Open Core and Coil
