Datasheet

22 Series - Modular contactors 25 A
Technical data
Insulation
Rated insulation voltage V AC 250 440
Pollution degree 3 * 2
Insulation between coil and contact set
Type of insulation Reinforced
Overvoltage category III
Rated impulse voltage kV (1.2/50 μs) 6
Dielectric strength V AC 4,000
Insulation between adjacent contacts
Type of insulation Basic
Overvoltage category III
Rated impulse voltage kV (1.2/50 μs) 4
Dielectric strength V AC 2,500
Insulation between open contacts NO contact NC contact
Contact gap mm 3 1.5
Overvoltage category III II
Rated impulse voltage kV (1.2/50 μs) 4 2.5
Dielectric strength V AC/kV (1.2/50 μs) 2,500/4 2,000/3
* Only for versions without Auto-On-Off selector. For versions with Auto-On-Off selector pollution degree 2 applies.
Conducted disturbance immunity Reference standard
Fast transients (burst 5/50 ns, 5 kHz) at coil terminals EN 61000-4-4 Level 4 (4 kV)
Voltage pulses (surge 1.2/50 μs) at supply terminals (differential mode) EN 61000-4-5 Level 4 (4 kV)
Short circuit protection
Rated conditional short circuit current kA 3
Back-up fuse A 32 (gL/gG type)
Terminals Solid and stranded cable
Max. wire size – contact terminals mm
2
1 x 6 / 2 x 4
AWG 1 x 10 / 2 x 12
Max. wire size – coil terminals mm
2
1 x 4 / 2 x 2.5
AWG 1 x 12 / 2 x 14
Min. wire size – contact and coil terminals mm
2
1 x 0.2
AWG 1 x 24
Screw torque Nm 0.8
Wire strip length mm 9
Power lost to the environment 22.32 22.34
without contact current W 2 2
with rated current W 4.8 6.3
4
NOTE - It is suggested an air gap of 9 mm between adjacent relays for installations and working conditions close to the limit (that is, ambient
temperature > 40 °C, coil operated for a prolonged period of time, all contacts loaded with current > 20 A).