Data Sheet

E
Special relay for alternating loads, for
applications with pumps, compressors, air
conditioning or refrigeration units
Type 72.42
- Priority change relay
• 2 independent NO output, 12 A
• 4 functions
• 2 independent control signals, insulated from
supply
• 110…240V and 24 VAC/DC supply versions
• Modular housing, 35mm wide
• 35mm rail (EN60715) mount
• Cd-free contact material
72.42
Screw terminal
72.42
• Multi-function (MI, ME, M2, M1)
For outline drawing see page 10
Contact specification
Contact configuration 2 NO (2 DPST-NO)
Rated current/Max. peak current A 12/20
Rated voltage/
Max. switching voltage VAC 250/400
Rated load AC1 VA 3000
Rated load AC15 VA 1000
Single phase motor rating (230VAC) kW 0.55
Breaking capacity DC1: 30/110/220V A 12/0.3/0.12
Minimum switching load mW (V/mA) 300 (5/5)
Standard contact material AgNi
Supply specification
Nominal voltage (U
N
) VAC (50/60Hz) / DC 24 110…240
Rated power in stand-by W 0.12 0.18
with 2 active relays W/VA(50Hz) 1.1/1.7 1.5/3.9
Operating range VAC (50/60Hz) 16.8…28.8 90…264
VDC 16.8…32 90…264
Technical data
Electrical life at rated load AC1 cycles 100·10
3
Output delay time (T on function diagrams) s 0.2…20
Power-on activation time s ≤0.7
Minimum impulse duration ms 50
Insulation between supply
and contacts (1.2/50µs) kV 6
Dielectric strength
between open contacts VAC 1000
Ambient temperature °C –20…+50
Protection category IP 20
Approvals (according to type)
4
IV-2018，www.findernet.com
72 SERIES
Monitoring relays
72
SERIES