Moulded Case Circuit Breakers
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ESCB Series • 3 pole Moulded Case Circuit Breaker according to IEC, EN, DIN VDE for control and system protection
  • Rated operational current Ie = 1000A
  • Normal and high short circuit switching capacity with types ESCB1 and ESCB2
  • Rated insulation voltage AC up to 690V, DC up to 440V
  • Overload release adjustable 9.4 - 1000A in 20 settings
  • Short circuit release adjustable or set tight
  • Main switching characteristics according to IEC 204-1; DIN EN 60204-1; VDE 0113 part 1
  • Disconnecting characteristics according to IEC 947-3; DIN VDE 0660 Part 107; EN 60947-3
  • Protection against contact to DIN VDE 0106 part 100
  • Unlimited on-period
  • Accessories: undervoltage release, shunt release, auxiliary contact
  • Applications for switching and protection of
- Generators
- Transformers
- Wires
- Systems

ESCB1
Normal short-circuit switching capacity

ESCB1A
High short-circuit switching capacity

ESCB2
Normal short-circuit switching capacity

ESCB2A
High short-circuit switching capacity

ESCB3, ESCB4
Normal short-circuit switching capacity

     
ESCB1 / ESCB1A
ESCB2 / ESCB2A
ESCB3
ESCB4
Accessories
 

 

Overall Comparison

Regulations IEC 947-2; EN 60947-2; DIN VDE 0660 part 101
General Information   ESCB1 ESCB1A ESCB2 ESCB2A ESCB3 ESCB4
Rated impulse withstand voltage kV 6 8 6 8 8 8
Utilization category   A A A A A A
Mechanical lifespan Ops 20000 20000 10000 10000 10000 10000
Electrical lifespan Ops 4000 4000 2000 2000 4000 4000
Ambient temp. min/max °C -10/+55 -10/+55 -10/+55 -10/+55 -10/+55 -10/+55
Weight kg 1.85 1.85 5.2 5.2 12.0 13.2
               
Main Poles              
Rated continuous current Iu A 160 160 400 400 630 1000
Rated operational voltage Ue - AC V 500 690 690 690 690 690
Rated operational voltage Ue - DC V 250 250 440 440 440 440
Frequency Hz 50 - 60 50 - 60 50 - 60 50 - 60 50 - 60 50 - 60
Protection (front)   IP20 IP20 IP20 IP20 IP20 IP20