Main Information
Product Family Harmony Control Relays
Relay Type Control Relay
Product type 3-phase control relay
Number of phases in the grid 3-phase
Relay Name RM22TG
Relay Monitoring Parameters Phase Sequence
Phase failure detection (2 or more phase cut)
Time delay type None
Switching capacity in VA 2000 VA
Measuring range 208.... .480 V Voltage AC
Contact type 2 OC
Additional information
Reset time 1500 ms at max. voltage
Max. switching voltage 250 V AC
Min. switching current [Imin] 10 mA at ... on 5 V DC
Max. switching current 8 A AC
Nominal supply voltage [Us] AC/DC
Supply voltage range 183...528 V AC
Operating limits 183.... .528 V AC
Power consumption VA 15 VA at... on 480 V AC 60 Hz
Voltage monitoring threshold < 100 V AC
Supply voltage frequency 50.... .60 Hz +/- 10 %
Output contacts 2 C/O
Rise delay at energization 650 ms
Response time <= 200 ms
Overvoltage category III according to IEC 60664-1
III according to UL 508
Insulation resistance > 100 MΩ 500 V DC on ... in accordance with IEC 60255-27
Mounting position Any position
Wiring capacity Screw terminals, 2 x 0.5.... .2 x 2.5 mm² (AWG 20....AWG 14) Hardwire not available .AWG 14) Hardwire without terminals
Screw terminals, 2 x 0.2.... .2 x 1.5 mm² (AWG 24... .AWG 16) Flexible cable .AWG 16) Flexible cable with terminals
Screw terminals, 1 x 0.5.... .1 x 3.3 mm² (AWG 20....AWG 12) .AWG 12) Hardwire without terminals
Screw terminals, 1 x 0.2.... .1 x 2.5 mm² (AWG 24.... ...AWG 14) Soft cord with terminal block
Tightening torque 0.6...1 N.m according to IEC 60947-1
Cover material Flame-retardant plastic
LED status LED (yellow) Relay ON
LED (green) energized
Mounting type 35 mm DIN rail in accordance with IEC 60715
Electrical life 100000 cycles
Mechanical life 10000000 cycles
Category of use AC-15 to IEC 60947-5-1
DC-13 Conforms to IEC 60947-5-1
AC-1 Conforms to IEC 60947-4-1
DC-1 Conforms to IEC 60947-4-1
[Un] rated nominal voltage , self-powered power supply
Safety and reliability data MTTFd = 924.6 years
B10d = 850000
Contact material Cadmium-free
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value 21 A
● at 600 V rated value 22 A
yielded mechanical performance [hp]
● for single-phase AC motor
— at 110/120 V rated value 2 hp
— at 230 V rated value 3 hp
● for 3-phase AC motor
— at 200/208 V rated value 5 hp
— at 220/230 V rated value 7.5 hp
— at 460/480 V rated value 15 hp
— at 575/600 V rated value 20 hp
contact rating of auxiliary contacts according to UL A600 / P600
Short-circuit protection
design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required gG: 100 A (690 V, 100 kA), aM: 50 A (690 V, 100 kA), BS88: 100 A (415 V, 80
kA)
— with type of assignment 2 required gG: 35A (690V, 100kA), aM: 20A (690V, 100kA), BS88: 35A (415V, 80kA)
● for short-circuit protection of the auxiliary switch required gG: 10 A (500 V, 1 kA)
Installation/ mounting/ dimensions
mounting position +/-180° rotation possible on vertical mounting surface; can be tilted forward and
backward by +/- 22.5° on vertical mounting surface
fastening method screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715
height 85 mm
width 45 mm
depth 107 mm
required spacing
● with side-by-side mounting
— forwards 10 mm
— upwards 10 mm
— downwards 10 mm
— at the side 0 mm
● for grounded parts
— forwards 10 mm
— upwards 10 mm
— at the side 6 mm
— downwards 10 mm
● for live parts
— forwards 10 mm
— upwards 10 mm
— downwards 10 mm
— at the side 6 mm
Connections/ Terminals
type of electrical connection
● for main current circuit screw-type terminals
● for auxiliary and control circuit screw-type terminals
● at contactor for auxiliary contacts Screw-type terminals
● of magnet coil Screw-type terminals
type of connectable conductor cross-sections
● for main contacts
— solid 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— solid or stranded 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— finely stranded with core end processing 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
● for AWG cables for main contacts 2x (16 ... 12), 2x (14 ... 8)
connectable conductor cross-section for main contacts
● solid 1 ... 10 mm²
● stranded 1 ... 10 mm²
● finely stranded with core end processing 1 ... 10 mm²
connectable conductor cross-section for auxiliary contacts
● solid or stranded 0.5 ... 2.5 mm²
● finely stranded with core end processing 0.5 ... 2.5 mm²
type of connectable conductor cross-sections
● for auxiliary contacts
— solid or stranded 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— finely stranded with core end processing 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
● for AWG cables for auxiliary contacts 2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross
section
● for main contacts 16 ... 8
● for auxiliary contacts 20 ... 14
