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EL9576 | Brake chopper terminal

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EL9576 | Brake chopper terminal

EL9576 | Brake chopper terminal

Run LED
Over Voltage
Under Voltage
Chopper ON
Out Voltage OK
Temp Warning
Temp R Warning
Error LED
Power contact
Power contact
Rexternal
+UIN
+UIN
+UIN
Rexternal
-UIN
-UIN
-UIN
Top view 
Contact assembly 
EL9576 | Brake chopper terminal

EL9576 | Brake chopper terminal

The EL9576 EtherCAT Terminal contains high-performance capacitors for stabilizing supply voltages. The EL9576 can be used in conjunction with the EL70x1 stepper motor terminals, the EL73x2 DC motor terminals and the EL72x1 servomotor terminals. Low internal resistance and high-pulsed current capability enable good buffering in parallel with a power supply unit. Return currents are stored, particularly in the context of drive applications, thus preventing overvoltages. If the regenerative energy exceeds the capacity of the capacitors, energy can be dissipated via an external braking resistor. The corresponding threshold can be directly parameterized in the TwinCAT System Manager.

Product status:

regular delivery

Product information

Technical dataEL9576
Technologybrake chopper
Nominal voltagearbitrary up to 72 V
Capacity155 µF
Max. ripple current10 A
Internal resistance< 5 mΩ
Chopper voltageadjustable
Recommended braking resistor10 Ω, typ. 100 W (depending on application)
Overvoltage control rangetyp. 1 V, parameterizable by CoE data
Braking resistor clock rateload-dependent, max. 100 µs, 2-point control
Electrical isolation1500 V (E-bus/field potential)
Special featuresadjustabel threshold
Weightapprox. 90 g
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
Pluggable wiringfor all ESxxxx terminals
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE, UL
Housing dataEL-12-8pinES-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
s*: AWG28…16,
st*: AWG28…16,
f*: AWG26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

Ordering information
EL9576Brake chopper terminal
ES9576Brake chopper terminal, pluggable wiring

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