Leakage relay type ABS CA 461

Detect leaks at the first sign

CA 461 is designed to spy and detect leakage in pumps and mixers. The amplifier is housed in a norm enclosure fitted for DIN-rail mounting. The unit is available in two executions, 24 VDC or 110-230 VAC supply.

Leakage relay type ABS CA 461
Main design features
To minimize the risk of false alarms the failure has to be detected for minimum time duration of 10 seconds.
To simplify the mounting the unit is fitted with plug-in type of connectors.
Key characteristics
  • Leakage monitoring with 10 sec alarm delay
  • Wide resistance range, 0-100 kOhm
  • Wide temperature range -20 to +50 ºC (-4 to +122 ºF)
  • Relay output 250 VAC 3 ampere
  • Connection via plug in connectors
  • DIN-rail mounted
Technical specifications
Leakage detection treshold   < 100 kOhm
Alarm on delay 10 seconds
Ambient operating temperature -20 to +50 ºC (-4 to +122 ºF)
Ambient storage temperature -30 to +80 ºC (-22 to +176 ºF)
Degree of protection IP 20, NEMA: Type 1
Housing material PPO and PC
Mounting DIN Rail 35 mm
Installation category CAT II
Pollution degree 2
Flame rate V0 (E45329)
Humidity 0-95% RH non-condensing
Dimensions 108 x 58 x 35 mm (4.25 x 2.28 x 1.38 in.)
Power supply

16907010: 110-230 VAC

16907011: 18-36 VDC, SELV or Class 2

Fuse Max 10 A
Terminal wire size Use copper (Cu) wire only. 0.2 - 2.5 mm2 flexible core, stripped length 8 mm.
Terminal tightening torque 0.56 - 0.79 Nm (5-7 lbs-in)
Power consumption < 2 W
Max load output relay 250 VAC 3 ampere
Altitude Max 2,000 MASL or 6,562 ft. AMSL
Compliance CE, CSA, C/US, UL
Applications
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