Overload relay – 3RB3036-1UB0

Main Product

Overload relay – 3RB3036-1UB0 – 12.5…50 A Electronic For motor protection Size S2, Class 10E Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

Technical Specification

product brand name	SIRIUS
product designation	solid-state overload relay
product type designation	3RB3
General technical data
size of overload relay	S2
size of contactor can be combined company-specific	S2
power loss [W] for rated value of the current at AC in hot operating state
● per pole	0.6 W
insulation voltage with degree of pollution 3 at AC rated value	690 V
surge voltage resistance rated value	6 kV
maximum permissible voltage for protective separation
● in networks with ungrounded star point between auxiliary and auxiliary circuit	300 V
● in networks with grounded star point between auxiliary and auxiliary circuit	300 V
● in networks with ungrounded star point between main and auxiliary circuit	600 V
● in networks with grounded star point between main and auxiliary circuit	600 V
shock resistance	15g / 11 ms
● according to IEC 60068-2-27	15g / 11 ms; Signaling contact 97 / 98 in position “Tripped”: 8g / 11 ms
vibration resistance	1-6 Hz, 15 mm; 6-500 Hz, 20 m/s²; 10 cycles
thermal current	50 A
recovery time after overload trip
● with automatic reset typical	3 min
● with remote-reset	0 min
● with manual reset	0 min
reference code according to IEC 81346-2	F
Substance Prohibitance (Date)	10/15/2014
SVHC substance name	Lead – 7439-92-1
Weight	0.405 kg
Ambient conditions
installation altitude at height above sea level maximum	2 000 m
ambient temperature
● during operation	-25 … +60 °C
● during storage	-40 … +80 °C
● during transport	-40 … +80 °C
temperature compensation	-25 … +60 °C
relative humidity during operation	10 … 95 %
Main circuit
number of poles for main current circuit	3
adjustable current response value current of the currentdependent overload release	12.5 … 50 A
operating voltage
● rated value	690 V
● at AC-3e rated value maximum	690 V
operating frequency rated value	50 … 60 Hz
operational current rated value	50 A
operational current at AC-3e at 400 V rated value	50 A
operating power
● for 3-phase motors at 400 V at 50 Hz	7.5 … 22 kW
● for AC motors at 500 V at 50 Hz	11 … 30 kW
● for AC motors at 690 V at 50 Hz	11 … 45 kW
Auxiliary circuit
design of the auxiliary switch	integrated
number of NC contacts for auxiliary contacts	1
● note	for contactor disconnection
number of NO contacts for auxiliary contacts	1
● note	for message “tripped”
number of CO contacts for auxiliary contacts	0
operational current of auxiliary contacts at AC-15
● at 24 V	4 A
● at 110 V	4 A
● at 120 V	4 A
● at 125 V	4 A
● at 230 V	3 A
operational current of auxiliary contacts at DC-13
● at 24 V	2 A
● at 60 V	0.55 A
● at 110 V	0.3 A
● at 125 V	0.3 A
● at 220 V	0.11 A
Protective and monitoring functions
trip class	CLASS 10E
design of the overload release	electronic
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value	50 A
● at 600 V rated value	50 A
contact rating of auxiliary contacts according to UL	B600 / R300
Short-circuit protection
design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required	gG: 250 A
— with type of assignment 2 required	gG: 200 A
● for short-circuit protection of the auxiliary switch required	fuse gG: 6 A
Installation/ mounting/ dimensions
mounting position	any
fastening method	Contactor mounting
height	99 mm
width	55 mm
depth	104 mm
Connections/ Terminals
product component removable terminal for auxiliary and control circuit	Yes
type of electrical connection
● for main current circuit	screw-type terminals
● for auxiliary and control circuit	screw-type terminals
arrangement of electrical connectors for main current circuit	Top and Bottom
type of connectable conductor cross-sections for main contacts
● solid 1x	(1 … 50 mm²), 2x (1 … 35 mm²)
● stranded	2x (10 … 35 mm²), 1x 50 mm²
● solid or stranded	1x (1 … 50 mm²), 2x (1 … 35 mm²)
● finely stranded with core end processing	1x (1 … 35 mm²), 2x (1 … 25 mm²)
type of connectable conductor cross-sections
● for auxiliary contacts
— solid	1x (0.5 … 4 mm²), 2x (0.5 … 2.5 mm²)
— solid or stranded	1x (0,5 … 4 mm²), 2x (0,5 … 2,5 mm²)
— finely stranded with core end processing	1x (0.5 … 2.5 mm²), 2x (0.5 … 1.5 mm²)
● for AWG cables for auxiliary contacts	1x (20 … 14), 2x (20 … 14)
tightening torque
● for main contacts with screw-type terminals	3 … 4.5 N·m
● for auxiliary contacts with screw-type terminals	0.8 … 1.2 N·m
design of screwdriver shaft	Diameter 5 to 6 mm
size of the screwdriver tip	Pozidriv PZ 2
design of the thread of the connection screw
● for main contacts	M6
● of the auxiliary and control contacts	M3
Electrical Safety
protection class IP on the front according to IEC 60529	IP20
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front
Communication/ Protocol
type of voltage supply via input/output link master	No
Electromagnetic compatibility
conducted interference
● due to burst according to IEC 61000-4-4	2 kV (power ports), 1 kV (signal ports) corresponds to degree of severity 3
● due to conductor-earth surge according to IEC 61000-4-5	2 kV (line to earth) corresponds to degree of severity 3
● due to conductor-conductor surge according to IEC 61000-4-5	1 kV (line to line) corresponds to degree of severity 3
● due to high-frequency radiation according to IEC 61000-4-5	10 V in frequency range 0.15 to 80 MHz, modulation 80 % AM with 1 kHz
field-based interference according to IEC 61000-4-3	10 V/m
electrostatic discharge according to IEC 61000-4-2	6 kV contact discharge / 8 kV air discharge
Display
display version for switching status	Slide switch

Catalog :

• • Overload relay – 3RB3036-1UB0