Honeywell|TTC-6P-1X2-M-24DC-UT-I|Surge Protection Device
HONEYWELL TTC-6P-1X2-M-24DC-UT-I Surge Protection Device
Description
HONEYWELL TTC-6P-1X2-M-24DC-UT-I is a surge protection device for 2-wire floating signal circuits, such as 4–20 mA current loops, in measurement and control technology (MCR) applications.
Features
Narrow 6 mm width, integrated status indicator, disconnect knife for maintenance, HART compatible, Ex e approved for Zone 2, SIL 3 capable.
Technical Specifications
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Nominal Voltage (UN): 24 V DC
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Maximum Continuous Voltage (UC): 30 V DC / 21 V AC
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Rated Current: 600 mA at 56 °C
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Leakage Current (IC): ≤ 5 μA
-
Residual Current (IPE): ≤ 1 μA
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Surge Current Capacity: 20 kA (8/20 µs)
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Nominal Discharge Current (In) (8/20 µs): 5 kA (line-line / line-ground)
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Impulse Discharge Current (Iimp) (10/350 µs): 0.5 kA (line-line / line-ground)
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Total Discharge Current (Itotal) (8/20 µs): 10 kA
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Voltage Protection Level (Up): ≤ 320 V (line-line, C2) / ≤ 750 V (line-ground, C2)
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Response Time (tA): ≤ 1 ns (line-line) / ≤ 100 ns (line-ground)
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Attenuation: 0.3 dB typical (≤ 250 kHz / 150 Ω)
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Cutoff Frequency (fg, 3 dB): 940 kHz typical (150 Ω symmetric system)
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Capacitance (line-line): 2.2 nF typical
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Resistance per Path: 1.65 Ω ±20 %
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Required Backup Fuse: 630 mA (FF)
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Connection Type: Screw terminal (M3 thread)
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Wire Cross-Section: 0.2–2.5 mm² (flexible), 0.2–4 mm² (rigid), AWG 24–12
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Mounting Type: DIN rail (TH 35 – 7.5 mm)
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Dimensions (H x W x D): 105.8 mm x 6.2 mm x 100 mm
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Operating Temperature: –40 °C to +80 °C
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Storage Temperature: –40 °C to +85 °C
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Protection Rating: IP20
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Housing Material: PBT, flame-retardant (UL 94 V-0)
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Color: Gray (RAL 7042)
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SIL Rating: Up to SIL 3 (IEC/EN 61508)
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Approvals: Ex e, ATEX, IECEx, UL, CSA
Honeywell|TTC-6P-1X2-M-24DC-UT-I|Surge Protection Device
Honeywell|TTC-6P-1X2-M-24DC-UT-I|Surge Protection Device
HONEYWELL TTC-6P-1X2-M-24DC-UT-I Surge Protection Device
Description
HONEYWELL TTC-6P-1X2-M-24DC-UT-I is a surge protection device for 2-wire floating signal circuits, such as 4–20 mA current loops, in measurement and control technology (MCR) applications.
Features
Narrow 6 mm width, integrated status indicator, disconnect knife for maintenance, HART compatible, Ex e approved for Zone 2, SIL 3 capable.
Technical Specifications
-
Nominal Voltage (UN): 24 V DC
-
Maximum Continuous Voltage (UC): 30 V DC / 21 V AC
-
Rated Current: 600 mA at 56 °C
-
Leakage Current (IC): ≤ 5 μA
-
Residual Current (IPE): ≤ 1 μA
-
Surge Current Capacity: 20 kA (8/20 µs)
-
Nominal Discharge Current (In) (8/20 µs): 5 kA (line-line / line-ground)
-
Impulse Discharge Current (Iimp) (10/350 µs): 0.5 kA (line-line / line-ground)
-
Total Discharge Current (Itotal) (8/20 µs): 10 kA
-
Voltage Protection Level (Up): ≤ 320 V (line-line, C2) / ≤ 750 V (line-ground, C2)
-
Response Time (tA): ≤ 1 ns (line-line) / ≤ 100 ns (line-ground)
-
Attenuation: 0.3 dB typical (≤ 250 kHz / 150 Ω)
-
Cutoff Frequency (fg, 3 dB): 940 kHz typical (150 Ω symmetric system)
-
Capacitance (line-line): 2.2 nF typical
-
Resistance per Path: 1.65 Ω ±20 %
-
Required Backup Fuse: 630 mA (FF)
-
Connection Type: Screw terminal (M3 thread)
-
Wire Cross-Section: 0.2–2.5 mm² (flexible), 0.2–4 mm² (rigid), AWG 24–12
-
Mounting Type: DIN rail (TH 35 – 7.5 mm)
-
Dimensions (H x W x D): 105.8 mm x 6.2 mm x 100 mm
-
Operating Temperature: –40 °C to +80 °C
-
Storage Temperature: –40 °C to +85 °C
-
Protection Rating: IP20
-
Housing Material: PBT, flame-retardant (UL 94 V-0)
-
Color: Gray (RAL 7042)
-
SIL Rating: Up to SIL 3 (IEC/EN 61508)
-
Approvals: Ex e, ATEX, IECEx, UL, CSA
