OMRON S8VK-T12024 DIN Rail Power Supply

S8VK: 오므론 S8VK series switching 전원 공급 장치

티: Model for three-phase AC400V input

120: Rated power 120W

24: DC24V output

핵심사양

터미널 정의

1. L1, L2, L3: Three-phase AC input
2. 체육: 보호 접지
3. +다섯, -다섯: DC24V output
4. V.ADJ: Output voltage trim potentiometer
5. DC ON: Green indicator for normal output

일반적인 애플리케이션 시나리오

Three-phase industrial control cabinets, 공작기계, 포장 장비, HVAC automatic control, 380V powered automated production lines, supplying DC24V for PLCs, 센서, relays and valve islands.

In-series Comparison

S8VK-T12024: 120여 / 5에이 / Width 40mm

S8VK-T24024: 240W /10A / Width 60mm

S8VK-T48024: 480W /20A / Width 95mm

S8VK-T96024: 960W /40A

대체 선택 참조

1. OMRON single-phase version: S8VK-C12024 (also 120W/24V, single-phase 220V input, do not confuse)
2. 국내 대안: Meanwell DRT-120-24, Delta DRP0120, Phoenix Contact three-phase 24V/5A rail power supply

문제 해결 지침

1. DC indicator off: Check three-phase input voltage, PE earthing, input circuit breaker; failure to start if two phases are missing
2. Voltage drop under load: Load exceeds rated 5A; high-temperature derating; low input voltage
3. Intermittent undervoltage alarm: Main circuit voltage fluctuation, loose terminal wiring
4. Overvoltage latch-off: Triggered by output overvoltage, restore by power cycling; check for load short circuit / reverse voltage

OMRON S8VK-T12024 Detailed Technical Specifications

Three-phase 380V input DIN rail switching power supply, rated 120W DC24V/5A

1. 입력사양

2. Output Specifications

3. 격리 & 내전압
4. Input ↔ Output: AC3000V, 1분, cut-off current 20mA
5. Input ↔ PE: AC2500V, 1분, cut-off current 20mA
6. Output ↔ PE: AC1000V, 1분, cut-off current 30mA
7. 절연저항: ≥100MΩ (DC500V, between input/output/PE)
8. 환경 조건

5. 기계 사양

설치: DIN35mm rail mounting

치수: H125 × W40 × D112.2 mm

터미널: Screw-type terminals

무게: 대략. 600g

선택 과목: Conformal coated PCB version (부식 방지 & 방진)

6. 신뢰할 수 있음 & 인증

MTBF: ≥135,000 hours

지시자: Green DC ON lamp, illuminates when output ≥80~90% rated voltage

안전 인증: UL, CSA, CE and other global industrial standards

7. 터미널 정의
8. L1, L2, L3: Three-phase AC input
9. 체육: 보호 접지 (must be earthed reliably)
10. +다섯, -다섯: DC24V output
11. V.ADJ: Output voltage trim potentiometer
12. Summary of Protection Functions

✅ Overload protection (auto-recovery)

✅ Short-circuit protection (auto-recovery)

✅ Output overvoltage protection (latch-off, reset by power cycle)

✅ Built-in undervoltage monitoring

✅ Input surge suppression

9. Critical Notes
10. Derating is mandatory when ambient temperature＞50℃
11. Load capacity will be limited under two-phase input
12. External diodes are mandatory for series connection; direct series connection is prohibited
13. PE terminal must be reliably earthed to comply with safety standards

OMRON S8VK-T Three-phase DIN Rail Power Supply Full Series List

S8VK-T: Three-phase AC380~480V input, DC24V output, DIN35 레일 장착, fanless natural cooling; 접미사 -400 = conformal coated PCB (for dust, moisture and corrosive environments)

표준 모델

Conformal Coated (부식 방지) 모델

액세서리 목록

Common Specifications for Entire S8VK-T Series

1. 입력: Three-phase AC380～480V; operating range AC320～576V; two-phase input supported; DC450~810V DC input
2. 산출: DC24V, adjustable range 24V±10% (V.ADJ potentiometer)
3. 보호: 초과 적재 / 단락 (auto-recovery), output overvoltage latch-off (reset by power cycle), built-in undervoltage monitoring
4. 환경: Operating temperature -40℃ ~ +70℃, derating required above 50℃; fanless natural cooling; IP20 cabinet use
5. 내전압: Input↔Output AC3000V 1min; Input↔PE AC2500V 1min; Output↔PE AC1000V 1min
6. 설치: DIN35 rail, 나사 터미널; multiple units parallelable for capacity expansion; 최대. 2 units in series (external diode required)

빠른 선택 팁

All models are single DC24V output. S8VK-T series has no other voltage options (12V/48V not available in T series)

Model without -400: Standard PCB for normal control cabinets; with `-400`: Coated board for dusty, humid and corrosive gas environments

S8VK-T is three-phase power supply, do not confuse with single-phase S8VK-C / S8VK-G

Redundant power supply requires separate S8VK-R redundancy module

OMRON S8VK-T Three-phase DIN Rail Power Supply Cross-Brand Model Comparison Table

Matching prerequisites: Three-phase AC380~480V input, DC24V output, DIN35 rail mount, fanless natural cooling. Grouped into【Premium International Brands】【Taiwan Brands】【Domestic Industrial Brands】; replacement rating marked. ⚠️Differences exist in dimension, terminal layout, BOOST capability and PCB coating. Drawings must be verified for direct replacement.

Conformal Coated Version (-400 부식 방지) 상호 참조

S8VK-Txxx24-400 (PCB conformal coating for dusty/humid/corrosive environments)

1. 피닉스컨택트: QUINT4 series Coated version (coating option via suffix)
2. Meanwell TDR: Custom conformal coating available (standard TDR uncoated, custom order required)
3. 지멘스: SITOP PSU coated version
4. 국내의: RDW series with three-proof coating

Redundancy Module Cross Reference (S8VK-R10 / S8VK-R20)

Key Difference Notes (선택 초점)

1. BOOST Peak Capacity

S8VK-T fixed 120% Power Boost for all models; Phoenix QUINT4 has stronger dynamic BOOST for short-time peak loads; Meanwell TDR uses conventional constant current limiting.

2. 입력 특성

OMRON S8VK-T supports two-phase input. Some competitors’ three-phase power supplies do not support two-phase single-side power supply, verify carefully for retrofit projects.

3. 차원 & 설치

OMRON S8VK-T is compact narrow-width design; Phoenix TRIO and Siemens SITOP models of same power are generally wider. DIN rail mounting space is the most common bottleneck for direct replacement.

4. Protection Logic Difference

S8VK-T overvoltage protection is output latch-off, reset by power cycle. Some competitors adopt hiccup auto-recovery, which may affect control system logic.

5. 온도 범위

OMRON S8VK-T features -40℃ cold start advantage; some Taiwan and domestic brands have lower limit of -30℃, use caution for cold-region equipment.

Selection Recommendation Strategy

장비 수출, 높은 신뢰성, cold environment: Prefer Phoenix QUINT4 / Siemens SITOP

비용 우선순위, ordinary domestic automation equipment: Meanwell TDR series

Budget control for domestic projects: Domestic RDW three-phase DIN rail power supply