Page 111 - Motor protection and control Manual motor starters, contactors and overload relays

ABB MOTOR PROTECTION AND CONTROL 3/37

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AF400 ... AF2850 3-pole contactors with 1 N.O. + 1 N.C. auxiliary contacts
Contactors and main accessories

Main accessories (other accessories available)
03

LW
Terminal
enlargement

VM
Mechanical
block

CAL18-11B
2-pole auxiliary
contact block

CAL18-11B
2-pole auxiliary
contact block AF contactor
LT
Terminal shroud

Main accessory fitting details - for ordering details, technical data and other accessories: see section accessories
Contactor Main Available Side-mounted accessories Mechanical interlock units
types poles auxiliary Auxiliary contact blocks (between two contactors)
contacts

CAL18-11 CAL18-11B (3)
Contactors + auxiliary contact blocks
AF400 ... AF2850 3 0 1 1 1 x CAL18-11 + 2 x CAL18-11B –
Contactors with mechanical interlocking + auxiliary contact blocks
AF400 ... AF2850 3 0 1 1 2 x CAL18-11 (1) + 4 x CAL18-11B (1) + VM...H (2)
(1) Total number of auxiliary contact blocks for the two contactors. (2) Interlock type, according to the contactor ratings (see "Accessories").
(3) The CEL18-.. auxiliary contact blocks can replace the CAL18-11 and CAL18-11B. Though, no auxiliary contact block can be mounted outside the CEL18-..

Overload relays fitting details
Contactor types Thermal overload relays Electronic overload relays
AF400, AF460 – EF460 (150...500 A) (1)
AF580, AF750 – EF750 (250...800 A) (1)
AF1350, AF1650 – EF1250DU (375...1250 A) (1)
The addition of a thermal or electronic overload relay on the contactor does not prevent fitting of many other accessories as shown in "Main accessory fitting details" table.
(1) Mounting kit required (see "Motor protection").
1SFC101126C0201 - Rev. B