Control transformer, Isolation transformer, Safety transformer
- Volume Discount
・Frequency(Hz): 50 - 60
・Insulation class: VDE = B. UL = class 105, VDE = B. UL = 130, VDE = B. UL = class 130, B, E
[Features]
・ISOLATING TRANSFORMERS:
Isolating transformers with galvanic isolation provide a reliable supply to circuits with the safety measures “protective separation”. The transformers provide double or reinforced isolation between the primary and secondary sides. Any requested network configuration is possible for the secondary side, whether this involves a monitored isolated system or grounded system with fuse elements. The output voltage for the isolating transformers can be between 50 Vac and 1,000 Vac or 120 Vdc and 1,415 Vdc.
・CONTROL TRANSFORMERS:
Control transformers with galvanic isolation are used for supplies of control systems with more than two consumers in accordance with EN 60204. Designed in accordance with VDE 0113, control transformers also provide continuous power in the event of short-term overloads. BLOCK’s standard range includes power ratings of between 40 VA and 25,000 VA.
・SAFETY TRANSFORMERS:
Safety transformers with galvanic isolation provide a reliable supply to power circuits with the safety measures “protective separation” or “protection through shutdown”. Double or reinforced isolation between the primary and secondary sides protects SELV and PELV circuits. Safety transformers provide safety extra low voltages below 50 Vac or 120 Vdc. BLOCK’s standard range includes power ratings of between 0.35 VA and 2,500 VA.
Part Number
Once your search is narrowed to one product,
the corresponding part number is displayed here.
Part Number
|
|---|
| STU 63/24 |
| STU 100/24 |
| STU 130/24 |
| STU 160/24 |
| STU 250/24 |
| STU 400/24 |
| STU 500/24 |
| STU 630/24 |
| STU 800/24 |
| Part Number |
Standard Unit Price
| Minimum order quantity | Volume Discount | Primary voltage (V) | Dimension vertical (mm) | Dimension width (mm) | Ambient temperature (max.) (°C) | Connection (components) | Connections | Cooling method | Design type | Efficiency (%) | Input offset voltage (V) | Input voltage (number x voltage) | Insulation class | Mounting type | No. of inputs (x) | No. of outputs (x) | Output current (A) | Output current (mA) | Output voltage (number x voltage) | Output voltage (V) | Output voltage (min.) (V AC) | Power (VA) | Product size (length) (mm) | Product type | Protection class | Secondary current (A) | Secondary current (mA) | Standards | Test mark | Type | Type (manufacturer type) | Weight (g) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
69.37 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | 95 | 70 | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | Open | - | 210|540 | - | VDE = B. UL = class 105 | L-piece|Base plate | - | 1 | 2.62 | - | 1 x 24 V AC | - | 24 | 63 | 84 | Control transformer | I | - | - | VDE 0570 Part 2-4. DIN EN 61558-2-2. EN 61558-2-2. IEC 61558-2-4. UL 5085-1/-2. CSA 22.2 No.66 | - | - | STU 63/24 | 1500.0 | |
76.24 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | - | - | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | open | 86|86 | 210|230|250|380|400|420|440|460 | - | VDE = B. UL = class 105 | L-piece|M4 screws|Base plate | - | 1 | 4.17 | - | 1 x 24 V AC | - | 24 | 100|100 | - | Control transformer | I | 4.17 | - | - | - | STU 100/24 | STU 100/24 | 2000.0 | |
80.60 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | - | - | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | open | 86|86 | 210|230|250|380|400|420|440|460 | - | VDE = B. UL = class 105 | L-piece|M5 screws|Base plate | - | 1 | 5.42 | - | 1 x 24 V AC | - | 24 | 130|130 | - | Control transformer | I | 5.42 | - | - | - | STU 130/24 | STU 130/24 | 2300.0 | |
84.96 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | 105 | 73 | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | Open | - | 210|540 | - | VDE = B. UL = class 105 | L-piece|Base plate | - | 1 | 6.66 | - | 1 x 24 V AC | - | 24 | 160 | 96 | Control transformer | I | - | - | VDE 0570 Part 2-4. DIN EN 61558-2-2. EN 61558-2-2. IEC 61558-2-4. UL 5085-1/-2. CSA 22.2 No.66 | - | - | STU 160/24 | 2800.0 | |
106.75 € | 1 | Available | 23 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | 123 | 74 | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | Open | - | 210|540 | - | VDE = B. UL = class 105 | L-piece|Base plate | - | 1 | 10.41 | - | 1 x 24 V AC | - | 24 | 250 | 120 | Control transformer | I | - | - | VDE 0570 Part 2-4. DIN EN 61558-2-2. EN 61558-2-2. IEC 61558-2-4. UL 5085-1/-2. CSA 22.2 No.66 | - | - | STU 250/24 | 4100.0 | |
141.61 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | 123 | 85 | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | Open | - | 210|540 | - | VDE = B. UL = class 105 | L-piece|Base plate | - | 1 | 16.66 | - | 1 x 24 V AC | - | 24 | 400 | 120 | Control transformer | I | - | - | VDE 0570 Part 2-4. DIN EN 61558-2-2. EN 61558-2-2. IEC 61558-2-4. UL 5085-1/-2. CSA 22.2 No.66 | - | - | STU 400/24 | 5400.0 | |
158.49 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | 126 | 122 | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | Open | - | 210|540 | - | VDE = B. UL = class 105 | L-piece|Base plate | - | 1 | 20.86 | - | 1 x 24 V AC | - | 24 | 500 | 150 | Control transformer | I | - | - | VDE 0570 Part 2-4. DIN EN 61558-2-2. EN 61558-2-2. IEC 61558-2-4. UL 5085-1/-2. CSA 22.2 No.66 | - | - | STU 500/24 | 7000.0 | |
202.21 € | 1 | Available | 24 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | 149 | 111 | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | Open | - | 210|540 | - | VDE = B. UL = class 105 | L-piece|Base plate | - | 1 | 26.25 | - | 1 x 24 V AC | - | 24 | 630 | 150 | Control transformer | I | - | - | VDE 0570 Part 2-4. DIN EN 61558-2-2. EN 61558-2-2. IEC 61558-2-4. UL 5085-1/-2. CSA 22.2 No.66 | - | - | STU 630/24 | 7900.0 | |
245.95 € | 1 | Available | 3 Days | 210 / 230 / 250 / 380 / 400 / 420 / 440 / 460 / 480 / 500 / 520 / 540 | - | - | +40 | Screw terminal | Screw connection terminals. PE 6.3 x 0.8 mm Flat plug connection | - | open | 92|92 | 210|230|250|380|400|420|440|460 | - | VDE = B. UL = class 105 | L-piece|M6 screws|Base plate | - | 1 | 33.33 | - | 1 x 24 V AC | - | 24 | 800|800 | - | Control transformer | I | 33.33 | - | - | - | STU 800/24 | STU 800/24 | 10300.0 |
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Basic information
| Frequency(Hz) | 50 - 60 | RoHS-compliant | Yes |
|---|
Configure
Basic Attributes
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Dimension vertical(mm)
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Dimension width(mm)
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Ambient temperature (max.)(°C)
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Connection (components)
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Connections
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Cooling method
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Design type
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Efficiency(%)
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Input offset voltage(V)
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Input voltage (number x voltage)
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Insulation class
-
Mounting type
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No. of inputs(x)
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No. of outputs(x)
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Output current(A)
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Output current(mA)
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Output voltage (number x voltage)
-
Output voltage(V)
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Output voltage (min.)(V AC)
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Power(VA)
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Product size (length)(mm)
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Product type
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Protection class
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Secondary current(A)
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Secondary current(mA)
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Standards
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Test mark
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Type
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Type (manufacturer type)
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Weight(g)
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Type
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Primary voltage(V)
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Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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