Contactor 7.5kW/400V 1NO+1NC S0 – Magnet contactor 17A 21…28VAC 3RT2025-1NB30 – Siemens – 4011209834224: Rated control supply voltage Us at DC 21..28 V, Voltage type for actuation AC/DC, Number of make contacts as main contacts 3, Connection type main circuit Screw, Rated operational current Ie at AC-1, 400V 40 A, Rated operational current Ie at AC-3, 400 V 17 A, Rated operating power at AC-3, 400V 7.5 kW, Rated operational current Ie at AC-4, 400V 15.5 A, Rated operational power at AC-4, 400 V 7.5 kW, Rated operating power NEMA 7,3549875 kW, Number of auxiliary contacts as normally open 1, Number of auxiliary contacts as NC contact 1
Product Specifications
Product Attribute
Attribute Value
Brand
SIEMENS
Contact Current Rating
16 A
Manufacturer Part Number
3RT20251NB30
Mounting Type
DIN Rail Mount
Numeric ID
4079255
Promo
true
Type
General Purpose Contactors
UPC Code
662643914467
product brand name SIRIUS
product designation Power contactor
product type designation 3RT2
General technical data
size of contactor S0
product extension
● function module for communication No
● auxiliary switch Yes
power loss [W] for rated value of the current
● at AC in hot operating state 1.8 W
● at AC in hot operating state per pole 0.6 W
● without load current share typical 1.4 W
type of calculation of power loss depending on pole quadratic
insulation voltage
● of main circuit with degree of pollution 3 rated value 690 V
● of auxiliary circuit with degree of pollution 3 rated value 690 V
surge voltage resistance
● of main circuit rated value 6 kV
● of auxiliary circuit rated value 6 kV
maximum permissible voltage for protective separation between
coil and main contacts according to EN 60947-1
400 V
shock resistance at rectangular impulse
● at AC 7,5g / 5 ms, 4,7g / 10 ms
● at DC 10g / 5 ms, 7,5g / 10 ms
shock resistance with sine pulse
● at AC 11,8g / 5 ms, 7,4g / 10 ms
● at DC 15g / 5 ms, 10g / 10 ms
mechanical service life (operating cycles)
● of contactor typical 10 000 000
● of the contactor with added electronically optimized
auxiliary switch block typical
5 000 000
● of the contactor with added auxiliary switch block typical 10 000 000
reference code according to IEC 81346-2 Q
Substance Prohibitance (Date) 10/01/2009
SVHC substance name Lead – 7439-92-1
Lead monoxide (lead oxide) – 1317-36-8
Weight 0.578 kg
