Cut Sheet

Volume 10—Enclosed Control CA08100012E—November 2012 www.eaton.com V10-T17-33
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17.3
Technical Data and Specifications
IEC Contactors and Starters
Overload Relays
XTOB Overload Relay—Technical Data and Specifications
Notes
1
Ambient temperature operating range to IEC/EN 60947, PTB: –5° to 50°C.
2
Consult factory.
3
6 mm
2
flexible with ferrules to DIN 46228.
4
Main contact terminal capacity, solid and stranded conductors with ferrules: When using 2 conductors use identical cross-section.
Description
XTOB…BC1,
XTOB…CC1 XTOB…DC1
XTOB…GC1,
XTOB…GC1S XTOB...LC1
General
Standards IEC/EN 60947, VDE 0660, UL, CSA
Climate proofing Damp heat, constant, to IEC 60068-2-78; damp heat, cyclic, to IEC 60068-2-30
Ambient temperature
1
–25° to 55°C
(–13° to 131°F)
–25° to 55°C
(–13° to 131°F)
–25° to 55°C
(–13° to 131°F)
–25° to 50°C
(–13° to 122°F)
Temperature compensation Continuous Continuous Continuous Continuous
Mechanical shock resistance (IEC/EN 60068-2-27)
half-sinusoidal shock 10 ms 10g 10g 10g 10g
Degree of protection IP20 IP20 IP20 P00
Protection against direct contact when actuated
from front (IEC 536)
Finger- and back of
hand-proof
Finger- and back of
hand-proof
Finger- and back of
hand-proof
With terminal cover
XTOBXTS...L
Insulation voltage (U
i
) Vac 690 690 690 1000
Overvoltage category/pollution degree III/3 III/3 III/3 III/3
Impulse withstand voltage (U
imp
) Vac 6000 6000 6000 8000
Operational voltage (U
e
) Vac 690 690 690 1000
Safe isolation to VDE 0106 Part 101 and Part 101/A1
Between auxiliary contacts and main contacts (Vac) 440 440 440 440
Between main contacts (Vac) 440 440 440 440
Overload release setting range 0.1–32A 6–75A 25–150A 50–250A
Short-circuit protection maximum fuse
222 2
Temperature compensation residual error >40°C <0.25 <0.25 <0.25 <0.25
Current heat loss (three conductors)
Lower value of setting range, W 2.5 3 16 16
Upper value of setting range 6 7.5 28 28
Terminal capacity
Solid, mm
2
2 x (1–6) 2 x (1–16) 2 x (4–16) —
Flexible with ferrule, mm
2
2 x (1–4)
2 x (1–6)
3
1 x 25
2 x (1–10)
4
1 x (4–70)
2 x (4–50)
—
Flexible with cable lug, mm
2
——— 95
Stranded with cable lug, mm
2
— — — 120
Solid or stranded, AWG 14–8 14–2 2/0 250 kcmil
Flat conductor—
number of segments x width x thickness (mm
2
)
— — — 6 x 16 x 18
Bus bar—width (mm) — — — 20 x 3
Terminal screw M4 M6 M10 M8 x 25
Tightening torque
Nm 1.8 3.5 10 24
Lb-in 16 31 88.5 221.3
Tools
Pozidriv screwdriver Size 2 Size 2 — —
Standard screwdriver 1 x 6 1 x 6 — —
Hexagon socket head spanner (SW) — — 5 mm 13 mm