Information

www.weg.net
Timing Relays (RTW/ERWT)
17
Technical Data
Model
RTW-xxx0x-UxxxxE26
RTW-xxx0x-UxxxxD02
RTW-xxx0x-UxxxxE33
RTW-xx0x-UxxxxD07
RTW-xxx0x-UxxxxE37
RTW-xxx0x-UxxxxD61
RTW-xxx0x-UxxxxE40
ERWT-MF1-02MT1E05
ERWT-MF2-02MT1E05
Inputs
Supply voltage (Us)
1)
A1-A2 24 V ac 48 V ac 110 to 130 V ac 220 to 240 V ac 24 to 240 V ac / V dc
A3-A2 24 V dc - 24 V dc - 24 V dc - 24 V dc - -
Rated supply voltage tolerance 0.85 to 1.10 x Us
Rated frequency 50 / 60 Hz
Maximum consumption 70 mA at 240 V ac (Us)
80 mA at
240 V ac (Us)
Control supply voltage
(RD function)
2)
B1-A2 Voltage-related triggering (Us)
Rated insulation voltage (U
i
) 300 V
Time adjustment
Minimum time for reset 100ms
Minimum ON time 50ms
Scale accuracy (full scale) ±5%
1)
Repeatability accuracy (full scale) ±2%
Changeover time Y - Δ
(star-delta function)
100ms ±20%
Outputs
Capacity of the output contacts (I
e
)
AC-12 (resistive) at 250 V ac: 5 A
AC-15 at 230 V ac: 3 A
DC-13 at 24 V dc: 1 A
DC-13 at 48 V dc: 0.45 A
DC-13 at 60 V dc: 0.35 A
DC-13 at 125 V dc: 0.2 A
DC-13 at 250 V dc: 0.1 A
AC-12 (resistive) at 250 V ac: 5 A
AC-15 at 230 V ac: 3 A
DC-13 at 24 V dc: 1 A
DC-13 at 48 V dc: 0.45 A
DC-13 at 60 V dc: 0.35 A
DC-13 at 125 V dc: 0.2 A
DC-13 at 250 V dc: 0.1 A
B300
R300
Rated thermal current (I
th
)
10 A for AC
1 A for DC
Fuse (class gL/gG) 4 A
Mechanical lifespan 30 x 10
6
switching cycles
Characteristics
Ambient temperature
- Operation
- Storage
-5 ºC to +60 ºC
-40 ºC to +85 ºC
Degree of protection
Enclosure: IP20
Terminals: IP20
Connection section (min. to max.)
- Cable without end sleeve
1 x (0.5 to 2.5) mm
2
2 x (0.5 to 1.5) mm
2
- Cable with end sleeves
1 x (0.5 to 1.5) mm
2
2 x (0.5 to 1.5) mm
2
- AWG-Rigid Wire 2 x (20 to 14) AWG
Tightening torque 0.8 to 1.2 N.m
Terminal screw 7 to 10.6 Lb.in
Assembly position Any
Shock resistance 15 g / 11ms
Vibration resistance 10 to 55 Hz / 0.35 mm
Weight
0.08 kg - models with 1NOC
0.095 kg - models with 2NOC
Pollution degree 2
Overvoltage category II
Note: 1) For the ERWT models, under extreme voltage and temperature conditions, the scale accuracy may vary up to +/- 10% (full scale).